CVE-2026-42719: CWE-502 Deserialization of Untrusted Data in Sarah Giles Dynamic User Directory
Description
CVE-2026-42719 is a critical vulnerability in Sarah Giles Dynamic User Directory versions 2.4 and earlier. It involves PHP Object Injection due to deserialization of untrusted data, classified under CWE-502. The vulnerability has a high CVSS score of 9.8, indicating it can be exploited remotely without authentication and leads to full confidentiality, integrity, and availability compromise.
CVSS v3.1
Score 9.8critical
Affected software
Sarah Giles
Dynamic User Directory
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-42719) affects Sarah Giles Dynamic User Directory versions up to 2.4. It is caused by unsafe deserialization of untrusted data, allowing PHP Object Injection. This can lead to remote code execution or other severe impacts. The CVSS 3.1 base score is 9.8, reflecting network attack vector, low attack complexity, no privileges or user interaction required, and complete impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can result in full system compromise, including unauthorized disclosure, modification, or destruction of data and potential remote code execution. The vulnerability is critical due to its high CVSS score and the nature of PHP Object Injection.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided at this time. Until a patch is available, avoid processing untrusted serialized PHP objects in the affected software.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-04-29T09:05:20.866Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aca96b22cdf04f6564a5c01
Added to database: 10/10/2026, 19:49:06 UTC
Last enriched: 10/10/2026, 20:48:45 UTC
Last updated: 10/10/2026, 23:48:15 UTC
Views: 2
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.