CVE-2026-1323
March 17, 2026
The extension fails to properly define allowed classes used when deserializing transport failure metadata. An attacker may exploit this to execute untrusted serialized code. Note that an active exploit requires write access to the directory configured at $GLOBALS['TYPO3_CONF_VARS']['MAIL']['transport_spool_filepath'].
Affected Packages
cpsit/typo3-mailqueue (PHP):
Affected version(s) >=0.1.0 <0.4.5Fix Suggestion:
Update to version 0.4.5cpsit/typo3-mailqueue (PHP):
Affected version(s) >=dev-bugfix/enforcing-http-methods <0.4.5Fix Suggestion:
Update to version 0.4.5cpsit/typo3-mailqueue (PHP):
Affected version(s) >=0.5.0 <0.5.2Fix Suggestion:
Update to version 0.5.2Related Resources (6)
Do you need more information?
Contact UsCVSS v4
Base Score:
5.2
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
HIGH
CVSS v3
Base Score:
3.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Deserialization of Untrusted Data
EPSS
Base Score:
0.02
