UpHeron
All vulnerabilities

Servers and applications

CVE-2026-53422

Observable Response Discrepancy vulnerability in Erlang OTP ssh (ssh_sftpd module) allows an authenticated SFTP user to enumerate the existence of files and directories outside the configured root directory. The SSH_FXP_REALPATH handler in ssh_sftpd calls relate_file_name/3 with Canonicalize=false, unlike every other SFTP operation handler. This allows .. components in the requested path to…

Severity
Low 2.3
Published
2 Jul 2026
Last changed
24 Jul 2026
Added to UpHeron
16 Oct 2026
Fixed in
27.3.4.14, 28.5.0.3, 29.0.3
Sources
NVD

Affected software

SoftwareAffected versions
Erlang/OTPServers and applications · cpe:a:erlang:erlang\/otp
  • From 17.0 before 27.3.4.14
  • From 28.0 before 28.5.0.3
  • From 29.0 before 29.0.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2026-53422
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-53422