VulnerabilityAnalyzed
CVE-2026-1323
The extension fails to properly define allowed classes used when deserializing transport failure metadata.
MEDIUM 5.2EPSS 0.21%
Does this matter?
Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own.
Description
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'].
- CVSS 4.0
- 5.2 MEDIUMCVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.21% probability · 12th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- cps-it/mailqueue
- Source
- f4fb688c-4412-4426-b4b8-421ecf27b14a
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-005Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.