What is GHSA-c5ph-rghf-fjfj?

GHSA-c5ph-rghf-fjfj is a security advisory published by GitHub Security Advisories with Medium severity. Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the...

Which CVE IDs does GHSA-c5ph-rghf-fjfj cover?

GHSA-c5ph-rghf-fjfj covers the following CVE IDs: CVE-2026-55955. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c5ph-rghf-fjfj?

GHSA-c5ph-rghf-fjfj has a CVSS v3 base score of 6.5, published by GitHub Security Advisories.

GHSA-c5ph-rghf-fjfjMediumCVSS 6.5

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the...

Vendor

GitHub Security Advisories

Published

June 29, 2026

Last Modified

June 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-55955 →

📋 Description

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component.

This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, from 7.0.100 through 7.0.109.

Users are recommended to upgrade to version 11.0.23, 10.1.56, 9.0.119, which fixes the issue.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-55955
https://lists.apache.org/thread/g4p5sf45p3f9r011pwqs9r54yd64s106
http://www.openwall.com/lists/oss-security/2026/06/29/24
https://github.com/advisories/GHSA-c5ph-rghf-fjfj