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nagios4

host/service/network monitoring and management system

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general

source: nagios4 (main)
version: 4.5.14+ds-1
maintainer: Russell Stuart (DMD)
arch: all any
std-ver: 4.7.4
VCS: unknown

versions [more versions can be listed by madison] [old versions available from snapshot.debian.org]

[pool directory]

o-o-stable: 4.4.6-4
oldstable: 4.4.6-4+deb12u1
old-sec: 4.4.6-4+deb12u2
old-p-u: 4.4.6-4+deb12u1
stable: 4.4.6-4.1+deb13u1
stable-sec: 4.4.6-4.1+deb13u1
unstable: 4.5.14+ds-1

versioned links

4.4.6-4: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.4.6-4+deb12u1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.4.6-4+deb12u2: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.4.6-4.1+deb13u1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.5.12+ds-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]
4.5.14+ds-1: [.dsc, use dget on this link to retrieve source package] [changelog] [copyright] [rules] [control]

binaries

nagios4 (1 bugs: 0, 1, 0, 0)
nagios4-cgi (2 bugs: 0, 2, 0, 0)
nagios4-common (3 bugs: 0, 3, 0, 0)
nagios4-core

action needed

7 security issues in trixie high

There are 7 open security issues in trixie.

7 important issues:

CVE-2026-48548: Nagios Core before 4.5.12 contains a cross-site request forgery vulnerability in cmd.cgi where the CSRF protection mechanism passes validation when the NagFormId cookie is absent. Attackers can craft a malicious cross-site POST request to execute arbitrary Nagios commands as a currently authenticated user without their knowledge or consent.
CVE-2026-48549: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cookie header is present, the double-submit cookie protection can be bypassed by supplying matching NagFormId and nagFormId values in the POST body, allowing a cross-site request to execute Nagios commands as a currently authenticated user.
CVE-2026-48550: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser.
CVE-2026-48551: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run commands as authorized users via malicious links.
CVE-2026-48552: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browser.
CVE-2026-48553: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor (NRDP). When a custom variable defined on a host, service, or contact is referenced in a shell-executed command line, an authenticated attacker with NRDP access can inject OS commands through the macro value. Exploitation requires a non-default configuration in which a custom variable is defined and referenced in a shell-executed command.
CVE-2026-48554: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the com_data parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a shell-reachable position, authenticated UI users can run arbitrary commands as the nagios user. Exploitation requires a non-default configuration in which a notification command references these macros in a shell-executed command line.

Created: 2026-08-16 Last update: 2026-10-09 18:30

7 security issues in bookworm high

There are 7 open security issues in bookworm.

7 important issues:

CVE-2026-48548: Nagios Core before 4.5.12 contains a cross-site request forgery vulnerability in cmd.cgi where the CSRF protection mechanism passes validation when the NagFormId cookie is absent. Attackers can craft a malicious cross-site POST request to execute arbitrary Nagios commands as a currently authenticated user without their knowledge or consent.
CVE-2026-48549: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cookie header is present, the double-submit cookie protection can be bypassed by supplying matching NagFormId and nagFormId values in the POST body, allowing a cross-site request to execute Nagios commands as a currently authenticated user.
CVE-2026-48550: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser.
CVE-2026-48551: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run commands as authorized users via malicious links.
CVE-2026-48552: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browser.
CVE-2026-48553: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor (NRDP). When a custom variable defined on a host, service, or contact is referenced in a shell-executed command line, an authenticated attacker with NRDP access can inject OS commands through the macro value. Exploitation requires a non-default configuration in which a custom variable is defined and referenced in a shell-executed command.
CVE-2026-48554: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the com_data parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a shell-reachable position, authenticated UI users can run arbitrary commands as the nagios user. Exploitation requires a non-default configuration in which a notification command references these macros in a shell-executed command line.

Created: 2026-08-16 Last update: 2026-10-09 18:30

6 security issues in forky high

There are 6 open security issues in forky.

6 important issues:

CVE-2026-48549: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cookie header is present, the double-submit cookie protection can be bypassed by supplying matching NagFormId and nagFormId values in the POST body, allowing a cross-site request to execute Nagios commands as a currently authenticated user.
CVE-2026-48550: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser.
CVE-2026-48551: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run commands as authorized users via malicious links.
CVE-2026-48552: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browser.
CVE-2026-48553: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor (NRDP). When a custom variable defined on a host, service, or contact is referenced in a shell-executed command line, an authenticated attacker with NRDP access can inject OS commands through the macro value. Exploitation requires a non-default configuration in which a custom variable is defined and referenced in a shell-executed command.
CVE-2026-48554: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the com_data parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a shell-reachable position, authenticated UI users can run arbitrary commands as the nagios user. Exploitation requires a non-default configuration in which a notification command references these macros in a shell-executed command line.

Created: 2026-08-16 Last update: 2026-09-01 22:00

8 security issues in bullseye high

There are 8 open security issues in bullseye.

8 important issues:

CVE-2026-48548: Nagios Core before 4.5.12 contains a cross-site request forgery vulnerability in cmd.cgi where the CSRF protection mechanism passes validation when the NagFormId cookie is absent. Attackers can craft a malicious cross-site POST request to execute arbitrary Nagios commands as a currently authenticated user without their knowledge or consent.
CVE-2026-48549: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cookie header is present, the double-submit cookie protection can be bypassed by supplying matching NagFormId and nagFormId values in the POST body, allowing a cross-site request to execute Nagios commands as a currently authenticated user.
CVE-2026-48550: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cmd.cgi via the NagFormId parameter. An unauthenticated remote attacker can craft a malicious link that, when followed by an authenticated user, executes arbitrary JavaScript in the victim's browser.
CVE-2026-48551: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass via a self-supplied double-submit cookie. An attacker can supply matching cookie and request parameter values to bypass CSRF protection, enabling unauthenticated attackers to run commands as authorized users via malicious links.
CVE-2026-48552: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in jsonquery.js. Unencoded JSON string values reflected from stored fields are inserted into the DOM without sanitization, allowing attackers to run arbitrary JavaScript in the victim's browser.
CVE-2026-48553: Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution via custom-variable macro injection through the Nagios Remote Data Processor (NRDP). When a custom variable defined on a host, service, or contact is referenced in a shell-executed command line, an authenticated attacker with NRDP access can inject OS commands through the macro value. Exploitation requires a non-default configuration in which a custom variable is defined and referenced in a shell-executed command.
CVE-2026-48554: Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution via unfiltered NOTIFICATION-family macro substitution through the com_data parameter. When a notification command references $NOTIFICATIONCOMMENT$ or $NOTIFICATIONAUTHOR$ in a shell-reachable position, authenticated UI users can run arbitrary commands as the nagios user. Exploitation requires a non-default configuration in which a notification command references these macros in a shell-executed command line.
TEMP-1136340-4D3952:

Created: 2026-05-25 Last update: 2026-08-27 21:31

debian/patches: 11 patches to forward upstream low

Among the 12 debian patches available in version 4.5.14+ds-1 of the package, we noticed the following issues:

11 patches where the metadata indicates that the patch has not yet been forwarded upstream. You should either forward the patch upstream or update the metadata to document its real status.

Created: 2023-02-26 Last update: 2026-10-09 19:50

testing migrations

This package will soon be part of the auto-openssl transition. You might want to ensure that your package is ready for it. You can probably find supplementary information in the debian-release archives or in the corresponding release.debian.org bug.
excuses:
- Migration status for nagios4 (- to 4.5.14+ds-1): BLOCKED: Maybe temporary, maybe blocked but Britney is missing information (check below)
- Issues preventing migration:
- ∙ ∙ Missing build on riscv64
- ∙ ∙ Missing build on s390x
- ∙ ∙ Autopkgtest deferred on riscv64: missing arch:riscv64 build
- ∙ ∙ Autopkgtest deferred on s390x: missing arch:s390x build
- ∙ ∙ Lintian check waiting for test results on i386, riscv64, ppc64el, s390x - info
- ∙ ∙ Reproducibility check waiting for results on i386 - info
- ∙ ∙ Too young, only 1 of 5 days old
- Additional info (not blocking):
- ∙ ∙ Piuparts tested OK - https://piuparts.debian.org/sid/source/n/nagios4.html
- ∙ ∙ Reproduced on amd64 - info
- ∙ ∙ Reproduced on arm64 - info
- ∙ ∙ Reproduced on armhf - info
- Not considered

news

[2026-10-09] Accepted nagios4 4.4.6-4+deb12u2 (source) into oldstable-security (Russell Stuart)
[2026-10-09] Accepted nagios4 4.5.14+ds-1 (source) into unstable (Russell Stuart)
[2026-09-15] nagios4 REMOVED from testing (Debian testing watch)
[2026-05-29] Accepted nagios4 4.4.6-4+deb12u1 (source) into oldstable-proposed-updates (Debian FTP Masters) (signed by: Russell Stuart)
[2026-05-29] Accepted nagios4 4.4.6-4.1+deb13u1 (source) into proposed-updates (Debian FTP Masters) (signed by: Russell Stuart)
[2026-05-29] nagios4 4.5.12+ds-1 MIGRATED to testing (Debian testing watch)
[2026-05-28] Accepted nagios4 4.4.6-4+deb12u1 (source) into oldstable-security (Debian FTP Masters) (signed by: Russell Stuart)
[2026-05-28] Accepted nagios4 4.4.6-4.1+deb13u1 (source) into stable-security (Debian FTP Masters) (signed by: Russell Stuart)
[2026-05-22] Accepted nagios4 4.5.12+ds-1 (source) into unstable (Russell Stuart)
[2025-11-27] nagios4 REMOVED from testing (Debian testing watch)
[2024-06-08] nagios4 4.4.6-4.1 MIGRATED to testing (Debian testing watch)
[2024-06-02] Accepted nagios4 4.4.6-4.1 (source) into unstable (Chris Hofstaedtler) (signed by: Christian Hofstaedtler)
[2021-07-12] nagios4 4.4.6-4 MIGRATED to testing (Debian testing watch)
[2021-04-07] Accepted nagios4 4.4.6-4 (source) into unstable (Russell Stuart)
[2021-03-29] nagios4 4.4.6-3 MIGRATED to testing (Debian testing watch)
[2021-03-22] Accepted nagios4 4.4.6-3 (source) into unstable (Russell Stuart)
[2020-12-22] nagios4 4.4.6-2 MIGRATED to testing (Debian testing watch)
[2020-11-23] Accepted nagios4 4.4.6-2 (source) into unstable (Russell Stuart)
[2020-10-29] Accepted nagios4 4.4.6-1 (source amd64 all) into unstable (Russell Stuart)
[2020-08-07] nagios4 REMOVED from testing (Debian testing watch)
[2020-07-23] nagios4 4.3.4-5 MIGRATED to testing (Debian testing watch)
[2020-07-12] Accepted nagios4 4.3.4-5 (source) into unstable (Russell Stuart)
[2020-06-16] Accepted nagios4 4.3.4-4 (source amd64 all) into unstable (Russell Stuart)
[2019-02-22] nagios4 4.3.4-3 MIGRATED to testing (Debian testing watch)
[2019-02-12] Accepted nagios4 4.3.4-3 (source amd64 all) into unstable (Russell Stuart)
[2018-06-09] nagios4 4.3.4-2 MIGRATED to testing (Debian testing watch)
[2018-05-30] Accepted nagios4 4.3.4-2 (source amd64 all) into unstable, unstable (Russell Stuart)

bugs [bug history graph]

all: 6
RC: 0
I&N: 6
M&W: 0
F&P: 0
patch: 0

links

homepage
lintian
buildd: logs, cross
popcon
browse source code
other distros
security tracker
debian patches

ubuntu

[Information about Ubuntu for Debian Developers]

version: 4.4.6-4.1ubuntu2
10 bugs
patches for 4.4.6-4.1ubuntu2

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