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CVE-2026-3582

MEDIUM

4.3

Description

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.

CVE Details

CVSS v3.1 Score4.3

SeverityMEDIUM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published3/10/2026

Last Modified3/12/2026

Sourcenvd

Honeypot Sightings0

Affected Products

github:enterprise_server

Weaknesses (CWE)

CWE-862

References

https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.15(product-cna@github.com)

https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.12(product-cna@github.com)

https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.6(product-cna@github.com)

https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.3(product-cna@github.com)

IOC Correlations

No correlations recorded

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