CVE-2026-116201

HIGH 8.8

Snipe-IT before 8.5.0 SAML Assertion Replay via Race Condition

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-294
Vendor	grokability
Product	snipe-it
Published	Oct 25, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

grokability / snipe-it

0 < 8.5.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

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

Credits

🔍 builtbybrayden snipe