CVE-2026-34828

HIGH

7.1

Description

listmonk is a standalone, self-hosted, newsletter and mailing list manager. From version 4.1.0 to before version 6.1.0, a session management vulnerability allows previously issued authenticated sessions to remain valid after sensitive account security changes, specifically password reset and password change. As a result, an attacker who has already obtained a valid session cookie can retain access to the account even after the victim changes or resets their password. This weakens account recovery and session security guarantees. This issue has been patched in version 6.1.0.

CVE Details

CVSS v3.1 Score7.1

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published4/2/2026

Last Modified4/3/2026

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-613

References

https://github.com/knadh/listmonk/commit/db82035d619348949512dafdaf60c86037cafc9e(security-advisories@github.com)

https://github.com/knadh/listmonk/releases/tag/v6.1.0(security-advisories@github.com)

https://github.com/knadh/listmonk/security/advisories/GHSA-h5j9-cvrw-v5qh(security-advisories@github.com)

IOC Correlations

No correlations recorded

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