Auth bypass in Iflytek Skillhub
CVE-2026-108550
SkillHub before 0.2.22 contains an incorrect authorization vulnerability in AccountMergeService and AccountMergeController that allows authenticated attackers to take over other accounts by abusing the merge flow. Attackers can call the merge initiate endpoint with a target username or OAuth identity, receive the verification token directly, and confirm the merge to inherit the victim's API tokens, roles and namespace ownership.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
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/iflytek/skillhub/issues/921 (issue-tracking)
- github.com/iflytek/skillhub (product)
- github.com/iflytek/skillhub/commit/45228996c7dd67f9304dba5b221fef15138a7fc4 (patch)
- github.com/iflytek/skillhub/releases/tag/v0.2.22 (release-notes)
- github.com/iflytek/skillhub/blob/v0.2.21/server/skillhub-auth/src/main/java/com… (technical-description)
- www.vulncheck.com/advisories/skillhub-before-0.2.22-account-takeover-via-accoun… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-108550?
- CVE-2026-108550 is a high-severity vulnerability in Iflytek Skillhub, classified under Incorrect Authorization. CVSS score: 8.8/10. Published 2026-10-10.
- How severe is CVE-2026-108550?
- High severity. CVSS v3 base score is 8.8 out of 10.