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TI-2026-47084 Aliases CVE-2026-66256GHSA-pwr8-4vxm-3h37

Deserialization of untrusted data in Apache Shindig Common

Priority LOW 35CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-502.

Summary

** 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00935 60th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApacheApache Shindig Commonall versions—No fix listedCNA
ApacheApache Shindig Social-Apiall versions—No fix listedCNA
  • Apache Shindig Common VendorApache Affected all versions Fixed in — No fix listed CNA
  • Apache Shindig Social-Api VendorApache Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:shindig:*:*:*:*:*:*:*:*up to 3.0.0VulnerableApache
  • cpe:2.3:a:apache:shindig:*:*:*:*:*:*:*:* Versions up to 3.0.0 Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66256
  2. 2026-10-03 Alias added: GHSA-pwr8-4vxm-3h37

References

  • TI-2013-03761 The gadget renderer in Apache Shindig 2.5.0 for PHP allows remote attackers to obtain… CVSS 2.0MEDIUM 5.0

Sources