PT-2026-29879 · Bulwarkmail · Webmail

Published 2026-04-02 · Updated 2026-04-02 · CVE-2026-34833

Mitre

CVSS v4.0

8.7

High

AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

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.

Fix

Cleartext Storage of Sensitive Information

Weakness Enumeration

CWE-312

Related Identifiers

CVE-2026-34833

Affected Products

Webmail

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-34833 · Security Note
• https://github.com/bulwarkmail/webmail/releases/tag/1.4.10 · Note
• https://github.com/bulwarkmail/webmail/security/advisories/GHSA-47pm-883h-885r · Note