CVE-2026-115321

MediumCVSS 4.3/10Last modified Oct 23, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Weakness enumeration

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Oct 22, 2026
Last modified
Oct 23, 2026
NVD status
Awaiting Analysis

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CVE-2026-115321: Medium severity, CVSS 4.3 | Vulnix