---
id: CVE-2026-115322
title: >-
  Bytebase before 3.16.0 Authorization Bypass via Rollout Service Task Run
  Handlers
summary: >-
  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…
severity: medium
cvss: 4.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-639
vendor: bytebase
product: bytebase
affected:
  - bytebase < 3.16.0
published: '2026-10-22'
updated: '2026-10-22'
sourceUpdated: '2026-10-22T10:57:41.716Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-115322'
references:
  - url: 'https://github.com/bytebase/bytebase/issues/19369'
  - url: 'https://github.com/bytebase/bytebase/pull/19554'
  - url: >-
      https://github.com/bytebase/bytebase/commit/bb553e8423b38c826cd7b1da5c7117080cc8705d
  - url: 'https://github.com/bytebase/bytebase/releases/tag/3.16.0'
    label: 3.16.0 Release Notes
  - url: >-
      https://github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/rollout_service.go#L505
  - url: 'https://github.com/bytebase/bytebase'
  - url: >-
      https://www.vulncheck.com/advisories/bytebase-before-3.16.0-authorization-bypass-via-rollout-service-task-run-handlers
    label: >-
      VulnCheck Advisory: Bytebase before 3.16.0 Authorization Bypass via
      Rollout Service Task Run Handlers
tags:
  - cve.org
ingestedAt: '2026-10-22T11:37:02.336Z'
---

## Overview

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

- `bytebase < 3.16.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.