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Vulnerabilities CVE-2026-40527

CVE-2026-40527

High
Open
TLP:CLEAR

radare2 Command Injection via DWARF Parameter Names

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Description

radare2 prior to commit bc5a890 contains a command injection vulnerability in the afsv/afsvj command path where crafted ELF binaries can embed malicious r2 command sequences as DWARF DW_TAG_formal_parameter names. Attackers can craft a binary with shell commands in DWARF parameter names that execute when radare2 analyzes the binary with aaa and subsequently runs afsvj, allowing arbitrary shell command execution through the unsanitized parameter interpolation in the pfq command string.

Details

CVSS Score
8.5
EPSS Score
0.92%

57th percentile

CVSS Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Confidence
90%
Published
Apr 17, 2026
Last Modified
Jul 14, 2026
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