PT-2026-59528 · Pypi · Postorius

Published

2026-07-13

·

Updated

2026-07-13

CVSS v3.1

7.2

High

VectorAV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
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.

Fix

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Related Identifiers

PYSEC-2026-2891

Affected Products

Postorius