CVE-2026-34833

8.7 highEPSS 0.2%

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.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 6% of CVEs (scores of 2026-10-31)
CWE: CWE-312
Published: 2026-04-02
Modified: 2026-07-24
Record from: the NVD, synced 2026-10-19

Affected

bulwarkmail:webmail

References

https://github.com/bulwarkmail/webmail/releases/tag/1.4.10
https://github.com/bulwarkmail/webmail/security/advisories/GHSA-47pm-883h-885r

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