CVE•Published 2026-03-17•Modified 2026-04-25•1 article on news•6 live references•NVD data

CVE-2026-1323Cps-it · Mailqueue

Vulnerability data via NVD (ingested)

CVSS v3.1

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS percentile

Exploit Prediction Scoring System · top 94% of all CVEs

Weaknesses (CWE)

CWE-502Deserialization of Untrusted Data

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'].

Timeline

Published 2026-03-17

Modified 2026-04-25

External references

NVD MITRE Exploit-DB GitHub PoC Sploitus VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2026-1323

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · product

product:"Cps-it Mailqueue"

All exposed Cps-it Mailqueue instances — cross-reference with the CVE's affected-version range.

Shodan · banner/body mention

http.html:"Mailqueue"

HTTP body or banner mentions "Mailqueue" — catches deploys Shodan didn't identify as a product.

More intel sources (5)

Shodan report

vuln:CVE-2026-1323