PT-2026-25877 · Typo3 · Typo3

Elias Häußler · Publicado 2026-03-17 · Atualizado 2026-03-18 · CVE-2026-1323

Positive Technologies (AI Summary)

CVSS v3.1

8.8

Alta

Vetor base

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

Name of the Vulnerable Software and Affected Versions TYPO3 (affected versions not specified)

Description The extension does not correctly define allowed classes when deserializing transport failure metadata. This can be exploited by an attacker to execute untrusted serialized code. An active exploit requires write access to the directory configured at $GLOBALS['TYPO3 CONF VARS']['MAIL']['transport spool filepath'].

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Deserialization of Untrusted Data

Enumeração de Fraquezas

CWE-502

Identificadores relacionados

CVE-2026-1323

GHSA-2PM6-9FHX-VVG3

Produtos afetados

Typo3

Referências · 9

• https://github.com/CPS-IT/mailqueue · Nota
• https://github.com/CPS-IT/mailqueue/commit/600c7dba99f8eea5f2505b848ee3dd4713440741 · Nota
• https://github.com/CPS-IT/mailqueue/commit/0f7a1376bbbd8c7658030d02e51c10a85b1dfdf7 · Nota
• https://github.com/CPS-IT/mailqueue/security/advisories/GHSA-2pm6-9fhx-vvg3 · Nota
• https://nvd.nist.gov/vuln/detail/CVE-2026-1323 · Nota de Segurança
• https://twitter.com/CVEnew/status/2033994290712748275 · Publicação no Twitter
• https://typo3.org/security/advisory/typo3-ext-sa-2026-005 · Aviso do Fabricante
• https://twitter.com/CVEarity/status/2033955626246902012 · Publicação no Twitter
• https://osv.dev/vulnerability/GHSA-2pm6-9fhx-vvg3 · Aviso do Fabricante