DECIPHERU · INTELLIGENCECVE

ByJulian Calvo, Ed.D.Founder, DecipherU
HIGHCVENovember 6, 2026

CVE-2026-123621, Usermin through 2.570 contains a path traversal vulnerability in mailbox/detacha...

Source: nvd.nist.gov (CVE-2026-123621) · November 6, 2026
DecipherU Intelligence aggregates cybersecurity developments from government databases, official filings, and authoritative sources. The summary below is written by DecipherU and does not represent the views of the original source. For full details, follow the source link.

Summary

Usermin through 2.570 contains a path traversal vulnerability in mailbox/detachall.cgi that allows remote unauthenticated attackers to write files outside the temporary directory via unsanitized attachment filenames. Attackers can email attachments with ../ sequences in filenames, and when the recipient downloads all attachments, files like ~/.forward are overwritten, enabling command execution.

Relevant Roles

incident-responder

For the full cve details, visit the original source.

Read Original Source: nvd.nist.gov
Source: nvd.nist.gov, November 6, 2026. This summary is DecipherU's original writing. For complete details, follow the source link above. This page is for informational purposes only and does not constitute security advice.

Sources

  1. NIST National Vulnerability Database (NVD) · Authoritative CVE records and CVSS scoring.
  2. CISA Advisories · Public-domain US Cybersecurity and Infrastructure Security Agency alerts.
  3. DecipherU Live Feeds · DecipherU aggregates and curates these cybersecurity intelligence items.
Last verified: November 6, 2026?Report an inaccuracy
CVE-2026-123621, Usermin through 2.570 contains a path traversal vulnerability in mailbox/detacha... Cybersecurity Intelligence