Medium severity4.3NVD Advisory· Published Oct 22, 2026
CVE-2026-115321
CVE-2026-115321
Description
Bytebase before 3.16.0 contains an authorization bypass vulnerability in the UpdateIssueComment handler that allows low-privileged project users to modify comments in other projects by supplying a foreign comment UID. Attackers with any project role, including Project Viewer, can set their own project's issue as parent and reference another project's comment UID to overwrite comments they cannot access.
Affected products
1Patches
Vulnerability mechanics
References
6- github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/issue_service.gonvd
- github.com/bytebase/bytebase/commit/270e25529731b59988b58f4a4b3bda431c748bc9nvd
- github.com/bytebase/bytebase/issues/19369nvd
- github.com/bytebase/bytebase/pull/19552nvd
- github.com/bytebase/bytebase/releases/tag/3.16.0nvd
- www.vulncheck.com/advisories/bytebase-before-3.16.0-authorization-bypass-via-updateissuecommentnvd
News mentions
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