Mailman

This hub aggregates every CVE we track for Mailman, a product in the communications space. Use it to gauge the current risk picture and drill into individual advisories.

Severity distribution

Monthly trend

The 15 most recently published vulnerabilities affecting Mailman.

• CVE-2025-43920GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an ema...5.4Apr 20, 2025
• CVE-2025-43919GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authent...5.8Apr 20, 2025
• CVE-2025-43921GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the /mailman/create endpoint. NOTE: multiple third parties report that they are unable to re...5.3Apr 20, 2025
• CVE-2021-34337An issue was discovered in Mailman Core before 3.3.5. An attacker with access to the REST API could use timing attacks to determine the value of the configured REST API password and then make arbit...6.3Apr 15, 2023
• CVE-2021-44227In GNU Mailman before 2.1.38, a list member or moderator can get a CSRF token and craft an admin request (using that token) to set a new admin password or make other changes.8.8Dec 2, 2021
• CVE-2021-43332In GNU Mailman before 2.1.36, the CSRF token for the Cgi/admindb.py admindb page contains an encrypted version of the list admin password. This could potentially be cracked by a moderator via an of...6.5Nov 12, 2021
• CVE-2021-43331In GNU Mailman before 2.1.36, a crafted URL to the Cgi/options.py user options page can execute arbitrary JavaScript for XSS.6.1Nov 12, 2021
• CVE-2021-42097GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a single user account. An attacker can obtain a value within the context of an unprivileged us...8.0Oct 21, 2021
• CVE-2021-42096GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that pas...4.3Oct 21, 2021
• CVE-2020-15011GNU Mailman before 2.1.33 allows arbitrary content injection via the Cgi/private.py private archive login page.4.3Jun 24, 2020
• CVE-2020-12108/options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.6.5May 6, 2020
• CVE-2020-12137GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP re...6.1Apr 24, 2020
• CVE-2019-3693Local privilege escalation from user wwwrun to root in the packaging of mailman7.7Jan 24, 2020
• CVE-2018-0618Cross-site scripting vulnerability in Mailman 2.1.26 and earlier allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.5.4Jul 26, 2018
• CVE-2018-13796An issue was discovered in GNU Mailman before 2.1.28. A crafted URL can cause arbitrary text to be displayed on a web page from a trusted site.6.5Jul 12, 2018