CVE-2026-44742
43Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck.
ssvc Actcvss 7.2epss 0.2%
from disclosure to weapon
Published on NVDMay 7
VulnCheckMay 7
exploitation probability
0.2%top 85% of all CVEs
observed exploitation
yesVulnCheck
Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Affected products
Postorius project · PostoriusReferences
https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868bhttps://gitlab.com/mailman/postorius/-/issues/620https://gitlab.com/mailman/postorius/-/merge_requests/972https://lists.debian.org/debian-lts-announce/2026/05/msg00045.htmlhttps://www.openwall.com/lists/oss-security/2026/05/07/3