CVE-2026-35391

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Source

https://cve.org/CVERecord?id=CVE-2026-35391

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35391.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2026-35391

Aliases

GHSA-7pj2-232x-6698

Published

2026-04-06T20:17:39.793Z

Modified

2026-08-12T03:51:32.772743907Z

Severity

8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N CVSS Calculator

Summary

Bulwark Webmail getClientIP() trusted client-controlled X-Forwarded-For value, enabling rate limit bypass and audit log forgery

Details

Bulwark Webmail is a self-hosted webmail client for Stalwart Mail Server. Prior to 1.4.11, the getClientIP() function in lib/admin/session.ts trusted the first (leftmost) entry of the X-Forwarded-For header, which is fully controlled by the client. An attacker could forge their source IP address to bypass IP-based rate limiting (enabling brute-force attacks against the admin login) or forge audit log entries (making malicious activity appear to originate from arbitrary IP addresses). This vulnerability is fixed in 1.4.11.

Database specific

{
    "cwe_ids": [
        "CWE-348"
    ],
    "cna_assigner": "GitHub_M",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/35xxx/CVE-2026-35391.json"
}

References

Affected packages

Git / github.com/bulwarkmail/webmail

Affected ranges

Type

GIT

Repo

https://github.com/bulwarkmail/webmail

Events

Introduced

Fixed

01c8afbfe8a64899b24281d9700b566bf853d853

Database specific

Show details

{
    "source": [
        "AFFECTED_FIELD",
        "CPE_RANGE"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.4.11"
        }
    ],
    "cpe": "cpe:2.3:a:bulwarkmail:webmail:*:*:*:*:*:*:*:*"
}

Affected versions

1.*

1.3.0

1.3.9

1.4.0

1.4.10

1.4.2

1.4.3

1.4.4

1.4.5

1.4.6

1.4.7

1.4.8

1.4.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-35391.json"