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TI-2026-60363 Aliases CVE-2026-89078GHSA-9chr-4x58-948m

Double Free in GitLab

Priority MEDIUM 43CWE-415Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · Low
Fix status
Partial Red Hat: 6 fixed, 5 without a fix

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and Red Hat. Impact type from CWE-415 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00522 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Partial GitLab (GitLab): 19.2.7, 19.3.3, 19.4.1Red Hat: 7 advisoriesRed Hat: 6 fixed, 5 without a fix

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GitLabGitLab19.2 to before 19.2.7; 19.3 to before 19.3.3; 19.4 to before 19.4.119.2.7, 19.3.3, 19.4.1Patch availableCNA
  • GitLab VendorGitLab Affected 19.2 to before 19.2.7; 19.3 to before 19.3.3; 19.4 to before 19.4.1 Fixed in 19.2.7, 19.3.3, 19.4.1 Patch available CNA

CPE configurations NVD · 6

CPEVersionsRoleVendor
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*19.2.0 to before 19.2.7VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*19.2.0 to before 19.2.7VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*19.3.0 to before 19.3.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*19.3.0 to before 19.3.3VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:community:*:*:*19.4.0VulnerableGitLab
cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:enterprise:*:*:*19.4.0VulnerableGitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 19.2.0 to before 19.2.7 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 19.2.0 to before 19.2.7 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:* Versions 19.3.0 to before 19.3.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:* Versions 19.3.0 to before 19.3.3 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:community:*:*:* Versions 19.4.0 Vulnerable ·GitLab
  • cpe:2.3:a:gitlab:gitlab:19.4.0:*:*:*:enterprise:*:*:* Versions 19.4.0 Vulnerable ·GitLab

Remediation

  • Fix · CNA GitLab (GitLab) Fixed in 19.2.7, 19.3.3, 19.4.1

Red Hat 7 advisories

  • RHSA-2026:95655 Released 2026-11-05 · Red Hat rating Critical
    Satellite 6.16 EUS security update
    • Red Hat Satellite 6.16 for RHEL 8 openvox-agent-8.32.0-1.el8sat, openvox-server-8.18.0-1.el8sat, python-brotli-1.2.1-1.el8pc +11
    • Red Hat Satellite 6.16 for RHEL 9 openvox-agent-8.32.0-1.el9sat, openvox-server-8.18.0-1.el9sat, python-brotli-1.2.1-1.el9pc +11
  • RHSA-2026:95657 Released 2026-11-05 · Red Hat rating Critical
    Satellite 6.18 security update
    • Red Hat Satellite 6.18 for RHEL 9 openvox-agent-8.32.0-1.el9sat, openvox-server-8.18.0-1.el9sat, python3.12-brotli-1.2.1-1.el9pc +4
  • RHSA-2026:95656 Released 2026-11-05 · Red Hat rating Critical
    Satellite 6.17 security update
    • Red Hat Satellite 6.17 for RHEL 9 openvox-agent-8.32.0-1.el9sat, openvox-server-8.18.0-1.el9sat, python-brotli-1.2.1-1.el9pc +9
Show 4 more Red Hat advisories
  • RHSA-2026:95652 Released 2026-11-05 · Red Hat rating Critical
    Satellite 6.19 security update
    • Red Hat Satellite 6.19 for RHEL 9 openvox-agent-8.32.0-1.el9sat, openvox-server-8.18.0-1.el9sat
  • RHSA-2026:88880 Released 2026-10-24 · Red Hat rating Critical
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.3-3.3.13-23.8.hum1@aarch64, ruby3.3-3.3.13-23.8.hum1@s390x, ruby3.3-3.3.13-23.8.hum1@src +16
  • RHSA-2026:88865 Released 2026-10-24 · Red Hat rating Critical
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby4.0-4.0.9-41.hum1@aarch64, ruby4.0-4.0.9-41.hum1@s390x, ruby4.0-4.0.9-41.hum1@src +16
  • RHSA-2026:88861 Released 2026-10-23 · Red Hat rating Critical
    Red Hat Hardened Images RPMs bug fix and enhancement update
    • Red Hat Hardened Images ruby3.4-3.4.12-33.1.hum1@aarch64, ruby3.4-3.4.12-33.1.hum1@s390x, ruby3.4-3.4.12-33.1.hum1@src +16

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    GitLab 19.2.7, 19.3.3, 19.4.1

    7 records Highest priority Priority MEDIUM 2 MEDIUM, 5 LOW

    Other records, highest priority first

    Show all 7 records →

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 10AffectedNo fix yet
Red Hat Enterprise Linux 6AffectedNo fix yet
Red Hat Enterprise Linux 7AffectedNo fix yet
Red Hat Enterprise Linux 8AffectedNo fix yet
Red Hat Enterprise Linux 9AffectedNo fix yet
Red Hat Hardened ImagesFixed RHSA-2026:88861, RHSA-2026:88865, RHSA-2026:88880
Red Hat Satellite 6.16 for RHEL 8Fixed RHSA-2026:95655
Red Hat Satellite 6.16 for RHEL 9Fixed RHSA-2026:95655
Red Hat Satellite 6.17 for RHEL 9Fixed RHSA-2026:95656
Red Hat Satellite 6.18 for RHEL 9Fixed RHSA-2026:95657
Red Hat Satellite 6.19 for RHEL 9Fixed RHSA-2026:95652
Not affected: 10 products
  • Red Hat Enterprise Linux 10
  • Red Hat Enterprise Linux 9
  • Red Hat Hardened Images
  • Red Hat OpenShift Container Platform 4
  • Red Hat OpenShift Container Platform 5
  • Red Hat Satellite 6.16 for RHEL 8
  • Red Hat Satellite 6.16 for RHEL 9
  • Red Hat Satellite 6.17 for RHEL 9
  • Red Hat Satellite 6.18 for RHEL 9
  • Red Hat Satellite 6.19 for RHEL 9

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-89078
  2. 2026-10-03 Alias added: GHSA-9chr-4x58-948m
  3. 2026-10-26 Affected versions changed · Red Hat
  4. 2026-10-26 CVSS score added · Red Hat
  5. 2026-10-27 Affected versions changed · Red Hat
  6. 2026-10-28 Affected versions changed · Red Hat
  7. 2026-10-29 Fix available: RHSA-2026:88861 · Red Hat
  8. 2026-10-29 Fix available: RHSA-2026:88865 · Red Hat
  9. 2026-10-29 Fix available: RHSA-2026:88880 · Red Hat
  10. 2026-10-29 Fix available: Red Hat Hardened Images · Red Hat
  11. 2026-10-30 Affected versions changed · Red Hat
  12. 2026-11-05 Affected versions changed · Red Hat
  13. 2026-11-06 Fix available: Red Hat Satellite 6.16 for RHEL 8, Red Hat Satellite 6.16 for RHEL 9, Red Hat Satellite 6.17 for RHEL 9 +2 · Red Hat
  14. 2026-11-06 Fix available: RHSA-2026:95652 · Red Hat
  15. 2026-11-06 Fix available: RHSA-2026:95656 · Red Hat
  16. 2026-11-06 Fix available: RHSA-2026:95655 · Red Hat
  17. 2026-11-06 Fix available: RHSA-2026:95657 · Red Hat

References

Exploit 1

Advisory 1

Other 1

  • TI-2026-71508 Integer overflow in GitLab allows code execution on the server KEVCVSS 3.1CRITICAL 10.0
  • TI-2026-58817 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2023-06425 Weak Password Recovery Mechanism for Forgotten Password in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05191 Code injection in GitLab KEVCVSS 3.1CRITICAL 10.0
  • TI-2021-05161 Server-side request forgery in GitLab KEVCVSS 3.1CRITICAL 9.8
  • TI-2022-02763 Injection in GitLab CVSS 3.1CRITICAL 9.9
See all 1506 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences