CVE-2026-44742
MEDIUM
6.1
CVSS Score
Published: May 7, 2026 at 06:09 PM UTC
Updated: June 17, 2026 at 10:51 AM UTC
1 product affected across 1 vendorPostorius
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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.2%
SSVC
No known exploit
Description
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v ≤ 1.3.13
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (5)
Patch
Source: cverecord
https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868bMailing ListPatchThird Party Advisory
Source: cverecord
https://www.openwall.com/lists/oss-security/2026/05/07/3Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2026/05/msg00045.htmlSSVC — Action Prioritization
SSVCNo known exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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