Severity: important Affected versions:
- Apache Shindig Common (org.apache.shindig:shindig-common): all versions - Apache Shindig Social-Api (org.apache.shindig:shindig-social-api): all versions Description: ** UNSUPPORTED WHEN ASSIGNED ** Deserialization of Untrusted Data vulnerability in Apache Shindig. This issue affects Apache Shindig: all versions. Users with access to the Shindig REST API can send specially-crafted requests to trigger arbitrary code execution on the server. As this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. Credit: Daryle Bourque, Horizon3.ai (finder) Noah King, Horizon3.ai (finder) References: https://attic.apache.org/projects/shindig.html https://www.cve.org/CVERecord?id=CVE-2026-66256
