PyPI package intelligence

postorius Known Exploited Vulnerabilities

Track evidence-backed exploitation affecting the PyPI package postorius, including the gap beyond CISA KEV, confidence assessments, and sensor observations.

Total KEVs
1
Known exploited vulnerability affecting postorius
In CISA KEV
0
Records also listed in the official catalog
Beyond CISA KEV
1
Additional exploited vulnerabilities absent from CISA KEV
Sensor Observed
0
postorius KEVs with sensor-observed exploitation activity

Review postorius exploitation against the versions you run

One of the one exploited postorius vulnerabilities tracked here are not in CISA KEV.

0%
Covered by CISA
100%
Beyond CISA

Attested postorius vulnerabilities

1 known exploited vulnerability affecting this package.

Vulnerability CISA KEV Added
CVE-2026-44742

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...

Beyond CISA 01 Jun 2026

Recurring weakness patterns

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') account for mapped occurrences across this postorius KEV portfolio.

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