GCVE-110-NCSC-2026-220

Advisory PublishedCVSS 7.4/10

Vulnetix · Advisory published July 3, 2026

A SAML authentication replay vulnerability in Rancher's ACS handler allowed potential man-in-the-middle attacks by failing to enforce one-time use of SAML assertions in versions 2.14.0 to before 2.14.3.

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Weaknesses (CWE)

CWE-294Authentication Bypass by Capture-replayCWE-281Improper Preservation of Permissions

Risk Scores

CVSS 3.1

7.4/10

High · CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected Products

Vendor	Product	Versions	Platforms
Rancher	vers:unknown/*	—	—

Aliases

CVE-2026-44946 CVE-2026-44947

References

advisory

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