Debian dla-4894 : python3-watcher - security update

high Nessus Plugin ID 379445

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 12 host has packages installed that are affected by a vulnerability as referenced in the dla-4894 advisory.

------------------------------------------------------------------------- Debian LTS Advisory DLA-4894-1 [email protected] https://www.debian.org/lts/security/ Carlos Henrique Lima Melara November 11, 2026 https://wiki.debian.org/LTS
-------------------------------------------------------------------------

Package : watcher Version : 9.0.0-2+deb12u1 CVE ID : CVE-2026-76878 Debian Bug : 1111692 1144880

Multiple vulnerabilities were found in watcher, OpenStack's Cloud Optimization as a Service, which could result in information disclosure.

For Debian 12 bookworm, this problem has been fixed in version 9.0.0-2+deb12u1.

We recommend that you upgrade your watcher packages.

For the detailed security status of watcher please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/watcher

Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS Attachment:
signature.asc Description: PGP signature

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the python3-watcher packages.

Plugin Details

Severity: High

ID: 379445

File Name: debian_DLA-4894.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 11/12/2026

Updated: 11/12/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-76878

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.4

Threat Score: 5.7

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:H/SA:L

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:12.0, p-cpe:/a:debian:debian_linux:python3-watcher, p-cpe:/a:debian:debian_linux:watcher-api, p-cpe:/a:debian:debian_linux:watcher-applier, p-cpe:/a:debian:debian_linux:watcher-common, p-cpe:/a:debian:debian_linux:watcher-decision-engine, p-cpe:/a:debian:debian_linux:watcher-doc

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 11/11/2026

Vulnerability Publication Date: 8/19/2026

Reference Information

CVE: CVE-2026-76878

Detections

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