5.3

CVE-2025-6981: github enterprise_server Incorrect Authorization

CVSS: 5.3v4.0MediumAnalyzed
Published 15-07-2025Last modified 16-07-2025

Vulnerability summary

CVE-2025-6981 is a medium (CVSS 5.3) Incorrect Authorization vulnerability in github enterprise_server. EPSS estimates a 0.31% chance of exploitation in the next 30 days, higher than 22.2% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.31%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-07-2025
    PublishedVulnerability first disclosed.
  2. 16-07-2025
    Last modifiedVulnerability information updated.

Description

An incorrect authorization vulnerability allowed unauthorized read access to the contents of internal repositories for contractor accounts when the Contractors API feature was enabled. The Contractors API is a rarely-enabled feature in private preview. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.18 and was fixed in versions 3.14.15, 3.15.10, 3.16.6 and 3.17.3

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.31%

Chance of exploitation in the next 30 days

Percentile

22%

Versus all other CVEs

30-day change

+0.04 pp

From 0.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.31%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Github1 product
  • enterprise_server≥ 3.14.0, < 3.14.15 | < 3.14.5 | ≥ 3.15.0, < 3.15.10 | ≥ 3.16.0, < 3.16.6 | ≥ 3.17.0, < 3.17.3

1 vendor · 1 product

References

4 links