CVE-2026-73620

HIGHPre-NVD 8.18.1—
EchelonGraph scoreMEDIUM confidence

Score 8.1 from GitHub Security Advisory (severity: HIGH) published 2026-08-13. A secondary CVSS source baseline 8.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
8.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.6%CVSS: 8.1Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kwargs. Attackers can use --prefix to overwrite arbitrary files with repository content or -F to read arbitrary files returned in-band.

CVSS v3
8.1
EG Score
8.1HIGHmedium confidence
EG Risk
52
EG Risk 52/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity81% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
0.6%
EPSS %ILE
45th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact total (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

August 13, 2026

Last Modified

September 3, 2026

Advisory Details (2)

Auto-updated Aug 13, 2026
🔬 Proof of concept available. Patch available. Sources: github.
generic

GitPython before 3.1.57 Arbitrary File Overwrite and Read | Advisories | VulnCheck

https://www.vulncheck.com/advisories/gitpython-before-arbitrary-file-overwrite-and-read
github Patch Available🟡 PoC Available

Unguarded git option forwarding in IndexFile.checkout() and TagReference.create() enables arbitrary file overwrite and arbitrary file read · Advisory · gitpython-developers/GitPython · GitHub

https://github.com/gitpython-developers/GitPython/security/advisories/GHSA-3f7w-8rr8-f37f

Vendor Advisories for CVE-2026-73620(11)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(9)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatansible-automation-platform-26/hub-rhel9:17896112742026-09-23redhat
redhatansible-automation-platform-25/hub-rhel8:17896063952026-09-23redhat
redhatsatellite/iop-vulnerability-engine-rhel9:17896370822026-09-17redhat
redhatsatellite/iop-vulnerability-engine-rhel9:17896076052026-09-17redhat
redhatsatellite/iop-vmaas-rhel9:17896119982026-09-17redhat
redhatsatellite/iop-vmaas-rhel9:17896118582026-09-17redhat
redhatansible-automation-platform-27/hub-rhel9:17889187082026-09-14redhat
redhatpython3.12-aiohttp-0:3.14.3-1.el9pc2026-09-03redhat
redhatpython3.12-gitpython-0:3.1.59-1.el9ap2026-08-24redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
python-git3.1.30-1 ... 3.1.62-2 (13 versions)
  • every version on: no fix on record
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
python-git3.1.44-1 ... 3.1.62-2 (7 versions)
  • every version on: no fix on record
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
python-git3.1.44-1, 3.1.45-1, 3.1.46-1, 3.1.50-1
  • every version up to 3.1.61-1: fixed in 3.1.61-1
—
PyPI(1)
PackageVulnerable rangeFix by version rangeDependents
gitpython0.1.7 ... 3.1.9 (109 versions)
  • every version up to 3.1.57: fixed in 3.1.57
—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 29× in last 7d / 139× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 254 total refreshes for this CVE.

  1. 2026-10-04 23:22 UTCEPSS rescore
  2. 2026-10-04 22:25 UTCVendor advisory
  3. 2026-10-04 22:25 UTCGHSA enrichment
  4. 2026-10-04 08:56 UTCVendor advisory
  5. 2026-10-04 08:56 UTCGHSA enrichment
  6. 2026-10-03 19:53 UTCEG score recompute
  7. 2026-10-03 19:53 UTCVendor advisory
  8. 2026-10-03 19:53 UTCGHSA enrichment
  9. 2026-10-03 14:26 UTCEPSS rescore
  10. 2026-10-02 21:56 UTCEG score recompute
  11. 2026-10-02 21:56 UTCVendor advisory
  12. 2026-10-02 21:56 UTCGHSA enrichment
  13. 2026-10-02 08:05 UTCEG score recompute
  14. 2026-10-02 08:05 UTCVendor advisory
  15. 2026-10-02 08:05 UTCGHSA enrichment
  16. 2026-10-01 19:50 UTCEPSS rescore
  17. 2026-10-01 10:53 UTCVendor advisory
  18. 2026-10-01 10:53 UTCGHSA enrichment
  19. 2026-09-30 21:50 UTCEG score recompute
  20. 2026-09-30 21:50 UTCVendor advisory
  21. 2026-09-30 21:50 UTCGHSA enrichment
  22. 2026-09-29 15:24 UTCEPSS rescore
  23. 2026-09-29 04:16 UTCEG score recompute
  24. 2026-09-29 04:16 UTCVendor advisory
  25. 2026-09-29 04:16 UTCGHSA enrichment
Show 75 more
  1. 2026-09-28 14:15 UTCEG score recompute
  2. 2026-09-28 14:15 UTCVendor advisory
  3. 2026-09-28 14:15 UTCGHSA enrichment
  4. 2026-09-28 13:52 UTCEPSS rescore
  5. 2026-09-28 01:05 UTCEG score recompute
  6. 2026-09-28 01:05 UTCVendor advisory
  7. 2026-09-28 01:05 UTCGHSA enrichment
  8. 2026-09-27 13:48 UTCEPSS rescore
  9. 2026-09-27 09:48 UTCEG score recompute
  10. 2026-09-27 09:48 UTCVendor advisory
  11. 2026-09-27 09:48 UTCGHSA enrichment
  12. 2026-09-26 15:59 UTCEPSS rescore
  13. 2026-09-25 03:37 UTCEG score recompute
  14. 2026-09-25 03:37 UTCVendor advisory
  15. 2026-09-25 03:37 UTCGHSA enrichment
  16. 2026-09-24 09:55 UTCVendor advisory
  17. 2026-09-24 09:55 UTCGHSA enrichment
  18. 2026-09-23 20:52 UTCEG score recompute
  19. 2026-09-23 20:52 UTCVendor advisory
  20. 2026-09-23 20:52 UTCGHSA enrichment
  21. 2026-09-23 17:54 UTCEPSS rescore
  22. 2026-09-23 04:29 UTCEG score recompute
  23. 2026-09-23 04:29 UTCVendor advisory
  24. 2026-09-23 04:29 UTCGHSA enrichment
  25. 2026-09-22 15:25 UTCVendor advisory
  26. 2026-09-22 15:25 UTCGHSA enrichment
  27. 2026-09-22 02:23 UTCEG score recompute
  28. 2026-09-22 02:23 UTCVendor advisory
  29. 2026-09-22 02:23 UTCGHSA enrichment
  30. 2026-09-21 21:09 UTCEPSS rescore
  31. 2026-09-21 13:16 UTCVendor advisory
  32. 2026-09-21 13:16 UTCGHSA enrichment
  33. 2026-09-21 00:13 UTCEG score recompute
  34. 2026-09-21 00:13 UTCVendor advisory
  35. 2026-09-21 00:13 UTCGHSA enrichment
  36. 2026-09-20 20:16 UTCEPSS rescore
  37. 2026-09-20 10:10 UTCVendor advisory
  38. 2026-09-20 10:10 UTCGHSA enrichment
  39. 2026-09-19 19:41 UTCEG score recompute
  40. 2026-09-19 19:41 UTCVendor advisory
  41. 2026-09-19 19:41 UTCGHSA enrichment
  42. 2026-09-19 06:01 UTCEG score recompute
  43. 2026-09-19 06:01 UTCVendor advisory
  44. 2026-09-19 06:00 UTCGHSA enrichment
  45. 2026-09-18 19:28 UTCEPSS rescore
  46. 2026-09-18 16:55 UTCVendor advisory
  47. 2026-09-18 16:55 UTCGHSA enrichment
  48. 2026-09-18 02:43 UTCEG score recompute
  49. 2026-09-18 02:43 UTCVendor advisory
  50. 2026-09-18 02:43 UTCGHSA enrichment
  51. 2026-09-17 13:40 UTCVendor advisory
  52. 2026-09-17 13:39 UTCGHSA enrichment
  53. 2026-09-17 00:12 UTCEG score recompute
  54. 2026-09-17 00:12 UTCVendor advisory
  55. 2026-09-17 00:12 UTCGHSA enrichment
  56. 2026-09-16 14:08 UTCEPSS rescore
  57. 2026-09-16 10:48 UTCEG score recompute
  58. 2026-09-16 10:48 UTCVendor advisory
  59. 2026-09-16 10:48 UTCGHSA enrichment
  60. 2026-09-16 05:15 UTCEPSS rescore
  61. 2026-09-15 20:11 UTCVendor advisory
  62. 2026-09-15 20:11 UTCGHSA enrichment
  63. 2026-09-15 06:22 UTCEG score recompute
  64. 2026-09-15 06:22 UTCVendor advisory
  65. 2026-09-15 06:22 UTCGHSA enrichment
  66. 2026-09-15 03:12 UTCEPSS rescore
  67. 2026-09-14 17:10 UTCVendor advisory
  68. 2026-09-14 17:10 UTCGHSA enrichment
  69. 2026-09-14 04:07 UTCEG score recompute
  70. 2026-09-14 04:07 UTCVendor advisory
  71. 2026-09-14 04:07 UTCGHSA enrichment
  72. 2026-09-13 15:04 UTCVendor advisory
  73. 2026-09-13 15:04 UTCGHSA enrichment
  74. 2026-09-13 02:02 UTCEG score recompute
  75. 2026-09-13 02:02 UTCVendor advisory

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-73620?
CVE-2026-73620 is a high vulnerability published on August 13, 2026. GitPython before 3.1.57 fails to guard git option forwarding in IndexFile.checkout() and TagReference.create(), allowing attackers to pass unsafe options via kwargs. Attackers can use --prefix to overwrite arbitrary files with repository content or -F to read arbitrary files returned in-band.
When was CVE-2026-73620 disclosed?
CVE-2026-73620 was first published on August 13, 2026, with the most recent update on September 3, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-73620 actively exploited?
CVE-2026-73620 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.6% probability of exploitation in the next 30 days (45th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-73620?
CVE-2026-73620 has a CVSS base score of 8.1 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2026-73620?
A fix for CVE-2026-73620 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-73620 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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