High 8.4Published Jan 6, 2026

CVE-2025-13744Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed rendering of malicious HTML

Updated under an hour ago (Oct 26, 2026, 2:50 PM ET)

Does this affect you?

It affects GitHub Enterprise Server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for GitHub Enterprise Server

Exploited in the last 30 days

An Improper Neutralization of Input During Web Page Generation vulnerability was identified in GitHub Enterprise Server that allowed attacker controlled HTML to be rendered by the Filter component (search) across GitHub that could be used to exfiltrate sensitive information. An attacker would require permissions to create or modify the names of milestones, issues, pull requests, or similar entities that are rendered in the vulnerable filter/search components. This vulnerability affected all versions of GitHub Enterprise Server prior to 3.20 and was fixed in versions 3.19.1, and 3.18.2, 3.17.8, 3.16.11, 3.15.15, and 3.14.20. This vulnerability was reported via the GitHub Bug Bounty program.

CVSS: 8.4 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:H/SI:H/SA:N
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_P
NVD analysis: Analyzed
Record last updated: Jan 6, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

GitHub Enterprise Server github:enterprise_server (from the name)	from 3.14.0 through 3.14.19; fixed at 3.14.20; from 3.15.0 through 3.15.14; fixed at 3.15.15; from 3.16.0 through 3.16.10; fixed at 3.16.11; from 3.17.0 through 3.17.7; fixed at 3.17.8; from 3.18.0 through 3.18.1; fixed at 3.18.2; from 3.19 through 3.19.0; fixed at 3.19.1	CNA record
github enterprise_server github:enterprise_server	from 3.14.0 before 3.14.20; from 3.15.0 before 3.15.15; from 3.16.0 before 3.16.11; from 3.17.0 before 3.17.8; from 3.18.0 before 3.18.2; 3.19.0	NVD

References

References

https://docs.github.com/en/enterprise-server@3.14/admin/release-notes#3.14.20	release-notes
https://docs.github.com/en/enterprise-server@3.15/admin/release-notes#3.15.15	release-notes
https://docs.github.com/en/enterprise-server@3.16/admin/release-notes#3.16.11	release-notes
https://docs.github.com/en/enterprise-server@3.17/admin/release-notes#3.17.8	release-notes
https://docs.github.com/en/enterprise-server@3.18/admin/release-notes#3.18.2	release-notes
https://docs.github.com/en/enterprise-server@3.19/admin/release-notes#3.19.1	release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.