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TI-2026-30278 Aliases CVE-2026-41873GHSA-cvw6-x8c3-583g

Pony Mail: Admin account takeover via request smuggling

Priority MEDIUM 49CWE-444Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

** UNSUPPORTED WHEN ASSIGNED ** Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') vulnerability in Pony Mail leading to admin account takeover. This issue affects all versions of the Lua implementation of Pony Mail. There is a Python implementation under development under the name "Pony Mail Foal" that is not affected by this issue, but hasn't been released yet. As the Lua implementation of this project is retired, we do not plan to release a version that fixes this issue. Users are recommended to find an alternative or restrict access to the instance to trusted users. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00444 38th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
ApachePony Mailall versions—No fix listedCNA
  • Pony Mail VendorApache Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:pony_mail:*:*:*:*:*:*:*:*all versionsVulnerableApache
  • cpe:2.3:a:apache:pony_mail:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Apache

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-41873
  2. 2026-10-03 Alias added: GHSA-cvw6-x8c3-583g
  3. 2026-10-25 EPSS moved to the below the 50th percentile

References

Advisory 1

  • TI-2016-03834 Apache Pony Mail 0.6c through 0.8b allows remote attackers to bypass authentication. CVSS 3.0CRITICAL 9.8
  • TI-2019-00191 Cross-site scripting in Apache Pony Mail CVSS 3.0MEDIUM 6.1
  • TI-2017-03658 Information disclosure in Apache Pony Mail CVSS 3.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences