CVE-2026-115321
4.3 MEDIUMpublic exploit availablePublished 2026-10-22 · Updated 2026-10-23
AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.
NVD 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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Weaknesses
CWE-639
Public exploit & PoC references
- https://github.com/bytebase/bytebase
- https://github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/issue_service.go#L1116
- https://github.com/bytebase/bytebase/commit/270e25529731b59988b58f4a4b3bda431c748bc9
- https://github.com/bytebase/bytebase/issues/19369
- https://github.com/bytebase/bytebase/pull/19552
- https://github.com/bytebase/bytebase/releases/tag/3.16.0
All references
- https://github.com/bytebase/bytebase
- https://github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/issue_service.go#L1116
- https://github.com/bytebase/bytebase/commit/270e25529731b59988b58f4a4b3bda431c748bc9
- https://github.com/bytebase/bytebase/issues/19369
- https://github.com/bytebase/bytebase/pull/19552
- https://github.com/bytebase/bytebase/releases/tag/3.16.0
- https://www.vulncheck.com/advisories/bytebase-before-3.16.0-authorization-bypass-via-updateissuecomment
Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.
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