GitPython before 3.1.60 Denial of Service via ReDoS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 11 fixed, 7 without a fix
Attack profile from CVSS 4.0 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-1333.
Summary
GitPython before 3.1.60 contains a regular expression denial of service vulnerability in Actor.name_email_regex that processes commit author and committer fields. Attackers can craft a commit object with a malformed author field containing an unterminated angle bracket to cause quadratic backtracking, exhausting CPU resources for over two minutes per commit access.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| gitpython-developers | GitPython | before 3.1.60 | 3.1.60 | Patch available | CNA |
| — | GitPython (PyPI) | before 3.1.60 | 3.1.60 | Patch available | GHSA-g5vv-9gxw-82hx |
- GitPython Vendorgitpython-developers Affected before 3.1.60 Fixed in 3.1.60 Patch available CNA
- GitPython (PyPI) Vendor— Affected before 3.1.60 Fixed in 3.1.60 Patch available GHSA-g5vv-9gxw-82hx
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:* | before 3.1.60 | Vulnerable | gitpython-developers |
- cpe:2.3:a:gitpython_project:gitpython:*:*:*:*:*:python:*:* Versions before 3.1.60 Vulnerable ·gitpython-developers
Remediation
- Fix · CNA GitPython (gitpython-developers) Fixed in 3.1.60
- Fix · GHSA-g5vv-9gxw-82hx GitPython (PyPI) Fixed in 3.1.60 Advisory →
Red Hat 12 advisories
- RHSA-2026:95657 Released 2026-11-05 · Red Hat rating CriticalSatellite 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 CriticalSatellite 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
- RHSA-2026:92861 Released 2026-10-29 · Red Hat rating CriticalSatellite 6.19 security update
- Red Hat Satellite 6.19 for RHEL 9 openvox-agent-8.31.1-1.el9sat, openvox-server-8.17.0-1.el9sat, python3.12-brotli-1.2.1-1.el9pc +6
Show 9 more Red Hat advisories
- RHSA-2026:92620 Released 2026-10-29 · Red Hat rating Importantsatellite/iop-vulnerability-engine-rhel9 container image available as a Technology Preview
- Red Hat Satellite 6.18 registry.redhat.io/satellite/iop-vulnerability-engine-rhel9
- RHSA-2026:92619 Released 2026-10-29 · Red Hat rating Importantsatellite/iop-vulnerability-engine-rhel9 container image available as a Technology Preview
- Red Hat Satellite 6.19 registry.redhat.io/satellite/iop-vulnerability-engine-rhel9
- RHSA-2026:92588 Released 2026-10-29 · Red Hat rating ImportantTechnical preview of the satellite/iop-vmaas-rhel9 container image
- Red Hat Satellite 6.18 registry.redhat.io/satellite/iop-vmaas-rhel9
- RHSA-2026:92574 Released 2026-10-29 · Red Hat rating ImportantTechnical preview of the satellite/iop-vmaas-rhel9 container image
- Red Hat Satellite 6.19 registry.redhat.io/satellite/iop-vmaas-rhel9
- RHSA-2026:87410 Released 2026-10-21 · Red Hat rating CriticalRHOAI 2.25.12 - Red Hat OpenShift AI
- Red Hat OpenShift AI 2.25 registry.redhat.io/rhoai/odh-built-in-detector-rhel9, registry.redhat.io/rhoai/odh-caikit-nlp-rhel9, registry.redhat.io/rhoai/odh-codeflare-operator-rhel9 +47
- RHSA-2026:86891 Released 2026-10-21 · Red Hat rating CriticalRHOAI 3.5.2 - Red Hat OpenShift AI
- Red Hat OpenShift AI 3.5 registry.redhat.io/rhoai/odh-automl-rhel9, registry.redhat.io/rhoai/odh-built-in-detector-rhel9, registry.redhat.io/rhoai/odh-cli-rhel9 +47
- RHSA-2026:84734 Released 2026-10-19 · Red Hat rating CriticalRHOAI 3.4.5 - Red Hat OpenShift AI
- Red Hat OpenShift AI 3.4 registry.redhat.io/rhoai/odh-ai-gateway-payload-processing-rhel9, registry.redhat.io/rhoai/odh-automl-rhel9, registry.redhat.io/rhoai/odh-autorag-rhel9 +47
- RHSA-2026:71114 Released 2026-09-23 · Red Hat rating CriticalRed Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update
- Red Hat Ansible Automation Platform 2.5 for RHEL 8 automation-controller-venv-tower-4.6.33-1.el8ap, automation-gateway-proxy-server-2.5.10-8.el8ap, automation-gateway-server-2.5.20260923-1.el8ap +3
- Red Hat Ansible Automation Platform 2.5 for RHEL 9 automation-controller-venv-tower-4.6.33-1.el9ap, automation-gateway-proxy-server-2.6.17-3.el9ap, automation-gateway-server-2.5.20260923-1.el9ap +3
- RHSA-2026:71113 Released 2026-09-23 · Red Hat rating CriticalRed Hat Ansible Automation Platform 2.6 Product Security and Bug Fix Update
- Red Hat Ansible Automation Platform 2.6 for RHEL 10 python-sqlparse-0.6.0-1.el10ap, python3-sqlparse-0.6.0-1.el10ap, receptor-1.6.8-1.el10ap
- Red Hat Ansible Automation Platform 2.6 for RHEL 9 automation-controller-4.7.17-1.el9ap, automation-controller-cli-4.7.17-1.el9ap, automation-controller-server-4.7.17-1.el9ap +7
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
gitpython-developers GitPython 3.1.60
3 records Highest priority Priority MEDIUM 3 MEDIUM
Other records, highest priority first
- TI-2026-59935 GitPython 3.1.59 Local File Content Oracle via --no-indexPriority MEDIUM 64
- TI-2026-59934 GitPython before 3.1.60 Remote Code Execution via Git Directory ImpersonationPriority MEDIUM 46
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Exploit Intelligence | Affected | No fix yet |
| Red Hat AI Inference Server | Affected | No fix planned: Will not fix |
| Red Hat Ansible Automation Platform 2 | Affected | No fix yet |
| Red Hat Enterprise Linux AI (RHEL AI) 3 | Affected | No fix yet |
| Red Hat OpenShift AI (RHOAI) | Affected | No fix yet |
| Red Hat OpenStack Platform 16.2 | Affected | No fix yet |
| Red Hat OpenStack Platform 17.1 | Affected | No fix yet |
| Red Hat Ansible Automation Platform 2.5 for RHEL 8 | Fixed | RHSA-2026:71114 |
| Red Hat Ansible Automation Platform 2.5 for RHEL 9 | Fixed | RHSA-2026:71114 |
| Red Hat Ansible Automation Platform 2.6 for RHEL 9 | Fixed | RHSA-2026:71113 |
| Red Hat OpenShift AI 2.25 | Fixed | RHSA-2026:87410 |
| Red Hat OpenShift AI 3.4 | Fixed | RHSA-2026:84734 |
| Red Hat OpenShift AI 3.5 | Fixed | RHSA-2026:86891 |
| Red Hat Satellite 6.17 for RHEL 9 | Fixed | RHSA-2026:95656 |
| Red Hat Satellite 6.18 | Fixed | RHSA-2026:92588, RHSA-2026:92620 |
| Red Hat Satellite 6.18 for RHEL 9 | Fixed | RHSA-2026:95657 |
| Red Hat Satellite 6.19 | Fixed | RHSA-2026:92574, RHSA-2026:92619 |
| Red Hat Satellite 6.19 for RHEL 9 | Fixed | RHSA-2026:92861 |
Not affected: 16 products
- Migration Toolkit for Applications 8
- Red Hat Ansible Automation Platform 2
- Red Hat Ansible Automation Platform 2.5 for RHEL 8
- Red Hat Ansible Automation Platform 2.5 for RHEL 9
- Red Hat Ansible Automation Platform 2.6 for RHEL 10
- Red Hat Ansible Automation Platform 2.6 for RHEL 9
- Red Hat Hardened Images
- Red Hat OpenShift AI 2.25
- Red Hat OpenShift AI 3.4
- Red Hat OpenShift AI 3.5
- Red Hat OpenStack Platform 13 (Queens)
- Red Hat OpenStack Platform 16.2
- Red Hat OpenStack Platform 17.1
- 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
- 2026-10-02 Threatist record created from CVE-2026-87819
- 2026-10-03 Alias added: GHSA-g5vv-9gxw-82hx
- 2026-10-04 Affected versions changed · Red Hat
- 2026-10-04 CVSS score added · Red Hat
- 2026-10-06 Affected versions changed · Red Hat
- 2026-10-09 Fix available: RHSA-2026:71114 · Red Hat
- 2026-10-09 Fix available: RHSA-2026:71113 · Red Hat
- 2026-10-09 Fix available: Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9, Red Hat Ansible Automation Platform 2.6 for RHEL 9 · Red Hat
- 2026-10-13 Affected versions changed · Red Hat
- 2026-10-18 Affected versions changed · Red Hat
- 2026-10-20 Fix available: RHSA-2026:84734 · Red Hat
- 2026-10-20 Fix available: Red Hat OpenShift AI 3.4 · Red Hat
- 2026-10-22 Fix available: RHSA-2026:86891 · Red Hat
- 2026-10-22 Fix available: RHSA-2026:87410 · Red Hat
- 2026-10-23 Fix available: Red Hat OpenShift AI 2.25, Red Hat OpenShift AI 3.5 · Red Hat
- 2026-10-30 Fix available: Red Hat Satellite 6.18, Red Hat Satellite 6.19, Red Hat Satellite 6.19 for RHEL 9 · Red Hat
- 2026-10-31 Fix available: RHSA-2026:92619 · Red Hat
- 2026-10-31 Fix available: RHSA-2026:92574 · Red Hat
- 2026-10-31 Fix available: RHSA-2026:92620 · Red Hat
- 2026-10-31 Fix available: RHSA-2026:92861 · Red Hat
- 2026-11-01 Fix available: RHSA-2026:92588 · Red Hat
- 2026-11-06 Fix available: Red Hat Satellite 6.17 for RHEL 9, Red Hat Satellite 6.18 for RHEL 9 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:95656 · Red Hat
- 2026-11-06 Fix available: RHSA-2026:95657 · Red Hat
References
Other 5
- https://github.com/gitpython-developers/GitPython/pull/2215
- https://github.com/gitpython-developers/GitPython/commit/751473a5f3221d6f989291cbebcc404353fd3ba8
- https://github.com/gitpython-developers/GitPython
- https://github.com/gitpython-developers/GitPython/releases/tag/3.1.60
- https://github.com/pypa/advisory-database/tree/main/vulns/gitpython/PYSEC-2026-3984.yaml
More gitpython-developers Gitpython vulnerabilities
- TI-2026-54689 GitPython before 3.1.59 Path Traversal via separate-git-dir CVSS 4.0HIGH 8.7
- TI-2026-51706 GitPython before 3.1.55 Environment Variable Exfiltration via Remote.add() CVSS 4.0HIGH 8.7
- TI-2026-47618 GitPython before 3.1.52 Environment Variable Exfiltration via clone_from CVSS 4.0HIGH 8.7
- TI-2026-30595 GitPython: Unsafe option check validates multi_options before shlex.split transforms it CVSS 3.1CRITICAL 9.8
- TI-2026-32220 GitPython: Path traversal in GitPython reference APIs allows arbitrary file write and delete outside the repository CVSS 4.0HIGH 7.8
- TI-2026-47621 GitPython before 3.1.51 Command Injection via option prefix abbreviation CVSS 4.0HIGH 8.7
Sources
- CVE-2026-87819 · CVE Program
- CVE-2026-87819 · NVD
- FIRST EPSS
- GHSA-g5vv-9gxw-82hx · GitHub Advisory Database · CC BY 4.0
- CVE-2026-87819 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences