CVE-2026-34833

HIGH

Bulwark Webmail: Information Exposure: password returned in /api/auth/session

Title source: cna
STIX 2.1

Description

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to version 1.4.10, the GET /api/auth/session endpoint previously included the user's plaintext password in the JSON response. This exposed credentials to browser logs, local caches, and network proxie. This issue has been patched in version 1.4.10.

References (2)

Core 2
Core References

Scores

CVSS v3 7.5
EPSS 0.0017
EPSS Percentile 6.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-312
Status published
Products (1)
bulwarkmail/webmail < 1.4.10 (2 CPE variants)
Published Apr 02, 2026
Tracked Since Apr 03, 2026