What’s Vulnerable › Vulnerabilities

CVE-2026-116201: Snipe-IT before 8.5.0 SAML Assertion Replay via Race Condition

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-25 · updated 2026-10-29
• Weakness: CWE-294

Description

Snipe-IT before 8.5.0 contains a SAML assertion replay vulnerability that allows attackers to reuse captured assertions by exploiting a non-atomic nonce check in the SAML acs handler. Attackers can send concurrent POST requests to /saml/acs with one captured assertion to obtain multiple authenticated victim sessions that evade IdP-driven revocation.

Affected products

• grokability snipe-it: before 8.5.0 — fixed in 8.5.0
• grokability snipe-it: before 8.5.0 — fixed in 8.5.0

How to fix

Upgrade to a fixed version: grokability snipe-it 8.5.0; grokability snipe-it 8.5.0. Check the vendor advisory for mitigations.

References

• https://github.com/grokability/snipe-it/security/advisories/GHSA-w49g-f2jc-qxhg
• https://www.vulncheck.com/advisories/snipe-it-before-8.5.0-saml-assertion-replay-via-race-condition

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