A SAML authentication replay vulnerability in Rancher's Assertion Consumer Service (ACS) handler did not enforce one-time use of SAML assertion, potentially allowing person in the middle attacks against Rancher, affecting Rancher 2.14.0 before 2.14.3,
CVE-2026-44946
This high-severity CVE scores 7.4 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 79% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.4
- EG Score
- 7.4(medium)
- EPSS
- 20.9%
- KEV
- Not listed
Published
June 30, 2026
Last Modified
July 2, 2026
Advisory Details (1)
Auto-updated Jun 30, 2026SAML Authentication Replay in Rancher · Advisory · rancher/rancher · GitHub
https://github.com/rancher/rancher/security/advisories/GHSA-c5jm-xcmq-9j95Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 21× in last 7d / 46× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 23:10 UTCEG score recompute
- 2026-07-11 12:16 UTCEG score recompute
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 01:21 UTCEG score recompute
- 2026-07-10 14:27 UTCEG score recompute
- 2026-07-10 03:28 UTCEG score recompute
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 16:35 UTCEG score recompute
- 2026-07-09 05:30 UTCEG score recompute
- 2026-07-08 18:35 UTCEG score recompute
- 2026-07-08 15:16 UTCEPSS rescore
- 2026-07-08 07:42 UTCEG score recompute
- 2026-07-07 20:48 UTCEG score recompute
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-07 09:54 UTCEG score recompute
- 2026-07-06 23:00 UTCEG score recompute
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 12:06 UTCEG score recompute
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-06 01:10 UTCEG score recompute
- 2026-07-05 14:16 UTCEG score recompute
- 2026-07-05 03:22 UTCEG score recompute
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-04 16:27 UTCEG score recompute
- 2026-07-04 06:31 UTCEPSS rescore
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- 2026-07-04 05:31 UTCEG score recompute
- 2026-07-03 18:34 UTCEG score recompute
- 2026-07-03 07:41 UTCEG score recompute
- 2026-07-02 20:47 UTCEG score recompute▼ 2.10
- 2026-07-02 20:05 UTCNVD updateCVSS v3 → 7.4 · severity → HIGH
- 2026-07-02 16:53 UTCEG score recompute
- 2026-07-02 13:00 UTCEG score recompute
- 2026-07-02 09:08 UTCEG score recompute
- 2026-07-02 05:15 UTCEG score recompute
- 2026-07-02 01:23 UTCEG score recompute
- 2026-07-01 21:30 UTCEG score recompute
- 2026-07-01 17:38 UTCEG score recompute
- 2026-07-01 15:07 UTCEPSS rescore
- 2026-07-01 13:45 UTCEG score recompute
- 2026-07-01 09:53 UTCEG score recompute
- 2026-07-01 06:01 UTCEG score recompute
- 2026-07-01 02:09 UTCEG score recompute
- 2026-06-30 22:17 UTCEG score recompute
- 2026-06-30 18:25 UTCEG score recompute
- 2026-06-30 14:33 UTCEG score recompute
- 2026-06-30 14:32 UTCNVD updatefirst tracked
Frequently asked(5)
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