UpHeron
All vulnerabilities

Servers and applications

CVE-2026-23942

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Erlang OTP (ssh_sftpd module) allows Path Traversal. This vulnerability is associated with program files lib/ssh/src/ssh_sftpd.erl and program routines ssh_sftpd:is_within_root/2. The SFTP server uses string prefix matching via lists:prefix/2 rather than proper path component validation when checking…

Severity
Medium 5.3
Published
13 Mar 2026
Last changed
24 Jul 2026
Added to UpHeron
16 Oct 2026
Fixed in
26.2.5.18, 27.3.4.9, 28.4.1
Sources
NVD

Affected software

SoftwareAffected versions
Erlang/OTPServers and applications · cpe:a:erlang:erlang\/otp
  • From 17.0 before 26.2.5.18
  • From 27.0 before 27.3.4.9
  • From 28.0 before 28.4.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-23942
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-23942