High severity7.5NVD Advisory· Published May 7, 2026· Updated May 11, 2026
CVE-2026-7541
CVE-2026-7541
Description
A denial of service vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to cause service disruption by sending crafted requests with deeply nested JSON payloads to an unauthenticated API endpoint. The endpoint parsed user-controlled JSON request bodies without size or depth limits, causing excessive CPU and memory consumption. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.21 and was fixed in versions 3.20.2, 3.19.6, 3.18.9, 3.17.15, and 3.16.18. This vulnerability was reported via the GitHub Bug Bounty program.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:github:enterprise_server:*:*:*:*:*:*:*:*range: <3.16.18
- (no CPE)range: <3.21
Patches
Vulnerability mechanics
References
5- docs.github.com/en/enterprise-server@3.16/admin/release-notesnvdRelease NotesVendor Advisory
- docs.github.com/en/enterprise-server@3.17/admin/release-notesnvdRelease NotesVendor Advisory
- docs.github.com/en/enterprise-server@3.18/admin/release-notesnvdRelease NotesVendor Advisory
- docs.github.com/en/enterprise-server@3.19/admin/release-notesnvdRelease NotesVendor Advisory
- docs.github.com/en/enterprise-server@3.20/admin/release-notesnvdRelease NotesVendor Advisory
News mentions
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