CVE-2026-27369: Deserialization of Untrusted Data in BoldThemes Celeste
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
AI Analysis
Technical Summary
This vulnerability in BoldThemes Celeste (<= 1.3.6) arises from unsafe deserialization of untrusted data, enabling attackers to perform object injection. Such vulnerabilities typically allow attackers to manipulate serialized objects to execute arbitrary code or alter application behavior. The CVSS 3.1 score of 8.1 reflects network attack vector with high impact on confidentiality, integrity, and availability, but requires high attack complexity and no privileges or user interaction. No patch or mitigation details are currently provided.
Potential Impact
Successful exploitation can lead to full compromise of the affected system's confidentiality, integrity, and availability. This could allow remote attackers to execute arbitrary code or disrupt service. However, no known exploits in the wild have been reported so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid processing untrusted serialized data in BoldThemes Celeste. Monitor vendor channels for updates and apply patches promptly once available.
CVE-2026-27369: Deserialization of Untrusted Data in BoldThemes Celeste
Description
Deserialization of Untrusted Data vulnerability in BoldThemes Celeste celeste allows Object Injection.This issue affects Celeste: from n/a through <= 1.3.6.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in BoldThemes Celeste (<= 1.3.6) arises from unsafe deserialization of untrusted data, enabling attackers to perform object injection. Such vulnerabilities typically allow attackers to manipulate serialized objects to execute arbitrary code or alter application behavior. The CVSS 3.1 score of 8.1 reflects network attack vector with high impact on confidentiality, integrity, and availability, but requires high attack complexity and no privileges or user interaction. No patch or mitigation details are currently provided.
Potential Impact
Successful exploitation can lead to full compromise of the affected system's confidentiality, integrity, and availability. This could allow remote attackers to execute arbitrary code or disrupt service. However, no known exploits in the wild have been reported so far.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, avoid processing untrusted serialized data in BoldThemes Celeste. Monitor vendor channels for updates and apply patches promptly once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-02-19T09:51:54.220Z
- Cvss Version
- null
- State
- PUBLISHED
Threat ID: 69a92050d1a09e29cbe6996d
Added to database: 3/5/2026, 6:18:56 AM
Last enriched: 4/3/2026, 11:59:10 AM
Last updated: 4/19/2026, 5:14:18 PM
Views: 45
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