← Vulnerability feed

Vulnerability record · CVE-2026-92702 · published 18 September 2026

CVE-2026-92702: Origin validation error vulnerability

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS (aTLS) AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil, empty, or omitted, leaving the SEV-SNP policy ReportData unset so the verifier accepts unrelated or stale Evidence not bound to the current connection. A relying party that uses this path without an expected reportData as a trust or authorization decision can be induced to trust an unintended attestation context; a supplied non-empty reportData is still validated. The issue is fixed in version 0.9.0.

9.1 CVSS 3.1 Critical EPSS 0.31% · top 78.8% CWE-346 · Origin validation error Deferred
9.1CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
5References
24 Sep 2026Last modified by NVD

Description

Cocos AI is a confidential computing system for running AI workloads inside trusted execution environments. In versions up to and including 0.8.2, the intra-handshake attested TLS (aTLS) AMD SEV-SNP verification path does not enforce attestation freshness when the expected reportData value is nil, empty, or omitted, leaving the SEV-SNP policy ReportData unset so the verifier accepts unrelated or stale Evidence not bound to the current connection. A relying party that uses this path without an expected reportData as a trust or authorization decision can be induced to trust an unintended attestation context; a supplied non-empty reportData is still validated. The issue is fixed in version 0.9.0.

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

References

LinkTags
https://github.com/ultravioletrs/cocos/commit/80bf813c48300f02259b338b91f844c71be582ea
https://github.com/ultravioletrs/cocos/pull/582
https://github.com/ultravioletrs/cocos/releases/tag/v0.9.0
https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw
https://github.com/ultravioletrs/cocos/security/advisories/GHSA-4r6g-mp48-j2rw

Track CVE-2026-92702 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.4CVE-2025-34291Langflow CORS misconfiguration leads to token theft and RCELangflow up to and including 1.6.9 ships an overly permissive CORS configuration (allow_origins='*' with allow_credentials=True) and a refresh token …KEVEPSS 93%analysed8.8CVE-2015-4495Firefox PDF reader same-origin bypass allows file read and privilege gainThe PDF reader in Mozilla Firefox (before 39.0.3), Firefox ESR 38.x (before 38.1.1), and Firefox OS (before 2.2) fails to properly validate origin, l…KEVEPSS 69%analysed

Source: NIST National Vulnerability Database (record CVE-2026-92702), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.