Auth bypass in Tencentcloud Octop
CVE-2026-108581
TencentCloud Octop through 1.0.2b6 contains a missing authorization vulnerability that allows authenticated low-privileged users to read stored provider API keys via GET /api/providers and GET /api/voice/providers. Attackers can query these endpoints, which only validate the JWT, to obtain plaintext LLM and voice provider API keys and abuse the upstream provider accounts.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/TencentCloud/Octop/pull/1507 (issue-tracking, patch)
- github.com/TencentCloud/Octop/pull/1265 (issue-tracking, patch)
- hackmd.io/@haind/octop-provider-key-cross-role-read (third-party-advisory)
- github.com/TencentCloud/Octop/blob/eb28011249c02cafd389b2d424294c6c1b9cf422/src… (technical-description)
- www.vulncheck.com/advisories/octop-through-1.0-2b6-missing-authorization-expose… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108581?
- CVE-2026-108581 is a medium-severity vulnerability in Tencentcloud Octop, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-10.
- How severe is CVE-2026-108581?
- Medium severity. CVSS v3 base score is 6.5 out of 10.