CVE-2026-3582

low-risk
Published 2026-03-10

An Incorrect Authorization vulnerability was identified in GitHub Enterprise Server that allowed an authenticated user with a classic personal access token (PAT) lacking the repo scope to retrieve issues and commits from private and internal repositories via the search REST API endpoints. The user must have had existing access to the repository through organization membership or as a collaborator for the vulnerability to be exploitable. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.20 and was fixed in versions 3.16.15, 3.17.12, 3.18.6 and 3.19.3. This vulnerability was reported via the GitHub Bug Bounty program.

Do I need to act?

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0.02% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.3/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Github

References (4)

Release Notes https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.15
Release Notes https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.12
Release Notes https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.6
Release Notes https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.3
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal