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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-7541 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  GitHub, Inc. (Products Only)
CVSS-BT 6.3 MEDIUM
Vector:  CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:U

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://docs.github.com/en/[email protected]/admin/release-notes#3.16.18 GitHub, Inc. (Products Only)
https://docs.github.com/en/[email protected]/admin/release-notes#3.17.15 GitHub, Inc. (Products Only)
https://docs.github.com/en/[email protected]/admin/release-notes#3.18.9 GitHub, Inc. (Products Only)
https://docs.github.com/en/[email protected]/admin/release-notes#3.19.6 GitHub, Inc. (Products Only)
https://docs.github.com/en/[email protected]/admin/release-notes#3.20.2 GitHub, Inc. (Products Only)

Weakness Enumeration

CWE-ID CWE Name Source
CWE-770 Allocation of Resources Without Limits or Throttling GitHub, Inc. (Products Only)  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-7541
NVD Published Date:
05/07/2026
NVD Last Modified:
05/08/2026
Source:
GitHub, Inc. (Products Only)