CVE catalog

CVE-2026-89078

ruby3.1: CVE-2026-89078

Severity: Medium
Published: Sep 24, 2026, 12:17:22 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.49% · Oct 25, 2026

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 19.2 before 19.2.7, 19.3 before 19.3.3, and 19.4 before 19.4.1 that under certain conditions could have allowed an authenticated user to execute arbitrary code on the GitLab server due to a double free issue when parsing a specially crafted regular expression in a CI/CD configuration.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	ruby3.1	bookworm	`3.1.2-7+deb12u1`	vulnerable
Debian	ruby3.1	bookworm-security	`3.1.2-7+deb12u1`	vulnerable
Opensuse	ruby4.0	tumbleweed	`4.0.9-1.1`	fixed
Alpine	ruby	3.24	`3.4.12-r0`	fixed
Alpine	ruby	3.23	`3.4.12-r0`	fixed
Alpine	ruby	3.21	`3.3.13-r0`	fixed
Alpine	ruby	3.22	`3.4.12-r0`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	ruby3.1	source	bookworm	`(unfixed)`	not yet assigned	Not reported	Not reported
Opensuse	ruby4.0	rpm	tumbleweed	`4.0.9-1.1`	Not reported	OPENSUSE-SU-2026:12252-1	Not reported
Alpine	ruby	apk	3.24	`3.4.12-r0`	Not reported	ALPINE-CVE-2026-89078	Not reported
Alpine	ruby	apk	3.23	`3.4.12-r0`	Not reported	ALPINE-CVE-2026-89078	Not reported
Alpine	ruby	apk	3.21	`3.3.13-r0`	Not reported	ALPINE-CVE-2026-89078	Not reported
Alpine	ruby	apk	3.22	`3.4.12-r0`	Not reported	ALPINE-CVE-2026-89078	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libruby3.1]Affected
Source package: [ruby3.1]
Details (4)
- 3.1.2-7+deb12u1 · amd64 · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · arm64 · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
[ruby3.1]Affected
Details (4)
- 3.1.2-7+deb12u1 · amd64 · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · arm64 · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
[ruby3.1-dev]Affected
Source package: [ruby3.1]
Details (4)
- 3.1.2-7+deb12u1 · amd64 · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · arm64 · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · amd64 · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · arm64 · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
[ruby3.1-doc]Affected
Source package: [ruby3.1]
Details (4)
- 3.1.2-7+deb12u1 · all · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · all · bookworm
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · all · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12
- 3.1.2-7+deb12u1 · all · bookworm-security
  Affected
  dsa · ruby3.1 · debian · bookworm; dsa · ruby3.1 · debian · 12

[Debian 13 (Trixie)]

[libruby3.3]Affected
Source package: [ruby3.3]
Details (2)
- 3.3.8-2 · amd64 · trixie
  Affected
  dsa · ruby3.3 · debian · 13
- 3.3.8-2 · arm64 · trixie
  Affected
  dsa · ruby3.3 · debian · 13
[ruby3.3]Affected
Details (2)
- 3.3.8-2 · amd64 · trixie
  Affected
  dsa · ruby3.3 · debian · 13
- 3.3.8-2 · arm64 · trixie
  Affected
  dsa · ruby3.3 · debian · 13
[ruby3.3-dev]Affected
Source package: [ruby3.3]
Details (2)
- 3.3.8-2 · amd64 · trixie
  Affected
  dsa · ruby3.3 · debian · 13
- 3.3.8-2 · arm64 · trixie
  Affected
  dsa · ruby3.3 · debian · 13
[ruby3.3-doc]Affected
Source package: [ruby3.3]
Details (2)
- 3.3.8-2 · all · trixie
  Affected
  dsa · ruby3.3 · debian · 13
- 3.3.8-2 · all · trixie
  Affected
  dsa · ruby3.3 · debian · 13

[openSUSE Tumbleweed]

[ruby4.0]Affected
Source package: [ruby4.0]
Details (1)
- 4.0.6-1.2 · x86_64 · tumbleweed
  Affected · Fixed: 4.0.9-1.1
  dsa · ruby4.0 · opensuse · tumbleweed
[libruby4_0-4_0]Unknown
Source package: [ruby4.0]
Details (1)
- 4.0.6-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 4.0.9-1.1
  Version impact unknown
  dsa · ruby4.0 · opensuse · tumbleweed
[ruby4.0-devel]Unknown
Source package: [ruby4.0]
Details (1)
- 4.0.6-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 4.0.9-1.1
  Version impact unknown
  dsa · ruby4.0 · opensuse · tumbleweed
[ruby4.0-devel-extra]Unknown
Source package: [ruby4.0]
Details (1)
- 4.0.6-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 4.0.9-1.1
  Version impact unknown
  dsa · ruby4.0 · opensuse · tumbleweed
[ruby4.0-doc]Unknown
Source package: [ruby4.0]
Details (1)
- 4.0.6-1.2 · x86_64 · tumbleweed
  Unknown · Fixed: 4.0.9-1.1
  Version impact unknown
  dsa · ruby4.0 · opensuse · tumbleweed
[ruby4.0-doc-ri]Unknown
Source package: [ruby4.0]
Details (1)
- 4.0.6-1.2 · noarch · tumbleweed
  Unknown · Fixed: 4.0.9-1.1
  Version impact unknown
  dsa · ruby4.0 · opensuse · tumbleweed

Observed: Oct 27, 2026, 12:52:44 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]