Vulnerability · Published Oct 22, 2026 · Assigned by VulnCheck

CVE-2026-115322Bytebase before 3.16.0 Authorization Bypass via Rollout Service Task Run Handlers

Medium 4.3

In plain English

A medium-severity authorization bypass via user-controlled key in bytebase from bytebase. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)4.3Medium

Exploit odds (30 days)0.3%top 79.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Bytebase before 3.16.0 contains an authorization bypass vulnerability in GetTaskRunLog, GetTaskRunSession and PreviewTaskRunRollback that allows authenticated users to access other projects' task runs by UID. Attackers with permission on one project can supply foreign task or task run UIDs to read execution logs, database session details, and rollback SQL from other projects.

Affected products (as reported)

Vendor	Product	Versions
bytebase	bytebase	0 – before 3.16.0

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

https://github.com/bytebase/bytebase/issues/19369 issue-tracking
https://github.com/bytebase/bytebase/pull/19554 patch, issue-tracking
https://github.com/bytebase/bytebase/commit/bb553e8423b38c826cd7b1da5c7117080cc8705d patch
3.16.0 Release Notes release-notes
https://github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/rollout_service.go#L505 technical-description
https://github.com/bytebase/bytebase product
VulnCheck Advisory: Bytebase before 3.16.0 Authorization Bypass via Rollout Service Task Run Handlers third-party-advisory