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CVE-2026-21620

nvd nist
Published: Feb 20, 2026Modified: Jul 24, 2026Deferred

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2.3
Vector
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db (Secondary)

Description

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 OTP 17.0 before OTP 28.3.2, OTP 27.3.4.8 and OTP 26.2.5.17, corresponding to tftp from 1.0 before 1.2.4, 1.2.2.1 and 1.1.1.1; also inets from 5.10 before 7.0.

Related CWEs

CWE-23
Relative Path Traversal
The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory.

References (8)

Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db
Source: 6b3ad84c-e1a6-4bf7-a703-f496b71e49db

Timeline

No history available yet.