Medium severity · published Oct 22, 2026
CVE-2026-115322
Bytebase before 3.16.0 Authorization Bypass via Rollout Service Task Run Handlers
New
4.3
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 20% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BY
bytebase · bytebase
before 3.16.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-115322
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-115322
github.com
https://github.com/bytebase/bytebase
github.com
https://github.com/bytebase/bytebase/blob/3.15.1/backend/api/v1/rollout_service.go#L505
github.com
https://github.com/bytebase/bytebase/commit/bb553e8423b38c826cd7b1da5c7117080cc8705d
github.com
https://github.com/bytebase/bytebase/issues/19369
github.com
https://github.com/bytebase/bytebase/pull/19554
github.com
https://github.com/bytebase/bytebase/releases/tag/3.16.0
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