CVE-2026-87819: gitpython_project gitpython
Vulnerability summary
CVE-2026-87819 is a high (CVSS 8.7) vulnerability in gitpython_project gitpython. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43% of scored vulnerabilities. 1 public exploit is recorded.
Advisory lineage
Upstream 1 · Downstream 4 · Related 2Timeline
- 09-09-2026PublishedVulnerability first disclosed.
- 08-10-2026Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
9 scores · 6 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- OSV · DebianEcosystem advisory · calculated8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · ChainguardEcosystem advisory · calculated8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
- NVDNIST8.7HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · PypiEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.52%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
+0.23 pp
From 0.29% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundGitpython
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Chainguard6 products
- awx< 24.6.1-r64
- nemo-rl-cuda-13.0< 0.7.0-r2
- nemo-rl-cuda-13.0-automodel< 0.7.0-r2
- nemo-rl-cuda-13.0-mcore< 0.7.0-r2
- nemo-rl-cuda-13.0-sglang< 0.7.0-r2
Mageia2 products
- python-gitpython< 3.1.62-1.mga10
- python-gitpython< 3.1.62-1.mga9
Debian1 product
- python-gitAll versions (No fix recorded) | < 3.1.61-1
Gitpython_project1 product
- gitpython< 3.1.60
Gitpython-developers1 product
- gitpython< 3.1.60
PyPI1 product
- gitpython< 3.1.60
Ubuntu1 product
- python-gitAll versions (No fix recorded)
7 vendors · 13 products
References
18 links- github.com/gitpython-developers/GitPython/security/advisories/GHSA-g5vv-9gxw-82hxVendor AdvisoryAdvisoryWEBEVIDENCEREPORTExploitMitigation
- www.vulncheck.com/advisories/gitpython-before-3.1.60-denial-of-service-via-redosThird Party AdvisoryWEBAdvisory
