CVE-2026-81784: CWE-502 Deserialization of Untrusted Data in Marcin Wise Chat
Unauthenticated PHP Object Injection in Wise Chat <= 3.4 versions.
AI Analysis
Technical Summary
CVE-2026-81784 is a CWE-502 vulnerability involving deserialization of untrusted data in Wise Chat software by Marcin. It allows unauthenticated attackers to perform PHP Object Injection in versions up to 3.4, potentially leading to complete system compromise. The CVSS 3.1 base score is 8.1, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can result in full compromise of the affected system's confidentiality, integrity, and availability. An unauthenticated attacker can exploit this remotely, but the attack complexity is high. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict network access to the affected service and monitor for suspicious activity related to deserialization.
CVE-2026-81784: CWE-502 Deserialization of Untrusted Data in Marcin Wise Chat
Description
Unauthenticated PHP Object Injection in Wise Chat <= 3.4 versions.
CVSS v3.1
Score 8.1high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-81784 is a CWE-502 vulnerability involving deserialization of untrusted data in Wise Chat software by Marcin. It allows unauthenticated attackers to perform PHP Object Injection in versions up to 3.4, potentially leading to complete system compromise. The CVSS 3.1 base score is 8.1, reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and full impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation can result in full compromise of the affected system's confidentiality, integrity, and availability. An unauthenticated attacker can exploit this remotely, but the attack complexity is high. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, restrict network access to the affected service and monitor for suspicious activity related to deserialization.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-08-27T12:24:25.082Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa2c0ccacd9273b493aaaec
Added to database: 09/10/2026, 14:38:04 UTC
Last enriched: 09/10/2026, 14:46:06 UTC
Last updated: 09/10/2026, 17:00:16 UTC
Views: 4
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.