CVE-2021-21650: Jenkins s3 Publisher

Medium severity, CVSS 4.3. EPSS: 0.7% chance of exploitation in the next 30 days.

Jenkins S3 publisher Plugin 0.11.6 and earlier does not perform Run/Artifacts permission checks in various HTTP endpoints and API models, allowing attackers with Item/Read permission to obtain information about artifacts uploaded to S3, if the optional Run/Artifacts permission is enabled.

Affected products

• Jenkins s3 Publisher: up to and including 0.11.6

Published 2021-05-11. Last modified 2026-06-17.