CVE-2026-66256

7.2 highEPSS 0.9%Unsupported when assigned

High (7.2) in apache shindig. No vendor fix: the product was unsupported when the CVE was assigned. EPSS 0.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.2 high

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWE: CWE-502
Published: 2026-08-13
Modified: 2026-09-11
Record from: the NVD, synced 2026-10-19

Affected

apache:shindig

References

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