7.5

CVE-2026-19118

Race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution

A time-of-check time-of-use race condition vulnerability was identified in GitHub Enterprise Server that allowed remote code execution. Exploitation required an authenticated user with write access to a repository and precise timing of concurrent upload requests. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.22 and was fixed in versions 3.17.20, 3.18.14, 3.19.11, 3.20.7, and 3.21.5. This vulnerability was reported via the GitHub Bug Bounty program.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Github ≫ Enterprise Server Version < 3.17.20
Github ≫ Enterprise Server Version >= 3.18.0 < 3.18.14
Github ≫ Enterprise Server Version >= 3.19.0 < 3.19.11
Github ≫ Enterprise Server Version >= 3.20.0 < 3.20.7
Github ≫ Enterprise Server Version >= 3.21.0 < 3.21.5
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.45% 0.375
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 7.5 1.6 5.9
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
product-cna@github.com 7.7 0 0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.

https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.20
Vendor Advisory
Release Notes
https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.14
Vendor Advisory
Release Notes
https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.11
Vendor Advisory
Release Notes
https://docs.github.com/en/enterprise-server@3.20/admin/release-notes#3.20.7
Vendor Advisory
Release Notes
https://docs.github.com/en/enterprise-server@3.21/admin/release-notes#3.21.5
Vendor Advisory
Release Notes