Path Traversal in Erlang Otp
CVE-2026-21620
Relative Path Traversal, Improper Isolation or Compartmentalization vulnerability in erlang otp erlang/otp (tftp_file modules), erlang otp inets (tftp_file modules), erlang otp tftp (tftp_file modules) allows Relative Path Traversal. This…
EPSS: 0.000 (12.1th percentile) — read the EPSS interpretation.
Affected products
- Erlang Otp — versions 17.0, 07b8f441ca711f9812fad9e9115bab3c3aa92f79, 5.10
Weakness classification (CWE)
References
- github.com/erlang/otp/security/advisories/GHSA-hmrc-prh3-rpvp (vendor-advisory, related)
- cna.erlef.org/cves/CVE-2026-21620.html (related)
- osv.dev/vulnerability/EEF-CVE-2026-21620 (related)
- www.erlang.org/doc/system/versions.html (x_version-scheme)
- github.com/erlang/otp/pull/10706 (patch)
- github.com/erlang/otp/commit/696fdec922661d4a3cc528fc34bc24fae8d4ad8a (patch)
- github.com/erlang/otp/commit/3970738f687325138eb75f798054fa8960ac354e (patch)
- github.com/erlang/otp/commit/655fb95725ba2fb811740b57e106873833824344 (patch)