Description
A cross-site request forgery vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to delete stored Slack and Microsoft Teams ChatOps configuration and provider credentials by inducing an authenticated Management Console operator's browser to send a cross-site GET request to the integration removal endpoint without a CSRF token. Exploitation required configured ChatOps integrations and an operator visiting attacker-controlled content while signed in to the Management Console; deletion could disrupt ChatOps notifications and commands when configuration was applied or services reloaded. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.23 and was fixed in versions 3.19.14, 3.20.10, 3.21.8, and 3.22.3. This vulnerability was reported via the GitHub Bug Bounty program.
Published: 2026-11-03
Score: 5.3 Medium
EPSS: n/a
KEV: No
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Remediation

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History

Tue, 03 Nov 2026 23:00:00 +0000

Type Values Removed Values Added
Description A cross-site request forgery vulnerability was identified in GitHub Enterprise Server that allowed an unauthenticated attacker to delete stored Slack and Microsoft Teams ChatOps configuration and provider credentials by inducing an authenticated Management Console operator's browser to send a cross-site GET request to the integration removal endpoint without a CSRF token. Exploitation required configured ChatOps integrations and an operator visiting attacker-controlled content while signed in to the Management Console; deletion could disrupt ChatOps notifications and commands when configuration was applied or services reloaded. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.23 and was fixed in versions 3.19.14, 3.20.10, 3.21.8, and 3.22.3. This vulnerability was reported via the GitHub Bug Bounty program.
Title Cross-site request forgery vulnerability in GitHub Enterprise Server allowed deletion of stored ChatOps configuration through the Management Console
Weaknesses CWE-352
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}


Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_P

Published:

Updated: 2026-11-03T22:50:39.115Z

Reserved: 2026-10-13T19:38:32.547Z

Link: CVE-2026-110288

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-03T23:17:25.910

Modified: 2026-11-03T23:17:25.910

Link: CVE-2026-110288

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses