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CVE-2026-21620

TFTP Path Traversal

CVSS 2.3 LOWEPSS 0.5%CWE-23
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 vulnerability is associated with program files lib/tftp/src/tftp_file.erl, src/tftp_file.erl. This issue affects otp: from 17.0, from 07b8f441ca711f9812fad9e9115bab3c3aa92f79; otp: from 5.10 before 7.0; otp: from 1.0.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Produtos afetados
Erlang · OTP

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Referências
https://cna.erlef.org/cves/CVE-2026-21620.htmlhttps://github.com/erlang/otp/commit/3970738f687325138eb75f798054fa8960ac354ehttps://github.com/erlang/otp/commit/655fb95725ba2fb811740b57e106873833824344https://github.com/erlang/otp/commit/696fdec922661d4a3cc528fc34bc24fae8d4ad8ahttps://github.com/erlang/otp/pull/10706https://github.com/erlang/otp/security/advisories/GHSA-hmrc-prh3-rpvphttps://osv.dev/vulnerability/EEF-CVE-2026-21620https://www.erlang.org/doc/system/versions.html#order-of-versions