CVE-2026-44742
medium
CVSS v3
6.1
CVSS v4 NEW
โ
VIR risk
6.1
Description
Postorius is vulnerable to XSS
Predictions
Exploit likelihood
71%
Patch ETA
โ
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or โ if you've already worked around this in production โ publish your fix to the community-verified tier.
โ Propose a mitigation on Community โ Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.3.8-3+deb12u1 |
| debian | bullseye | fixed | 1.3.4-2+deb11u2 |
| debian | forky | affected | |
| debian | sid | affected | |
| debian | trixie | fixed | 1.3.13-1+deb13u1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| postorius_project | postorius | {"endIncluding":"1.3.13"} | |
References
- https://gitlab.com/mailman/postorius/-/commit/c4706abd05ba6bcf472fc674b160d3a9d6a4868b
- https://gitlab.com/mailman/postorius/-/issues/620
- https://gitlab.com/mailman/postorius/-/merge_requests/972
- https://www.openwall.com/lists/oss-security/2026/05/07/3
- https://lists.debian.org/debian-lts-announce/2026/05/msg00045.html
- https://nvd.nist.gov/vuln/detail/CVE-2026-44742
- https://gitlab.com/mailman/postorius
- https://security-tracker.debian.org/tracker/CVE-2026-44742
- https://github.com/advisories/GHSA-r7c9-7pjq-hmm8
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.