CVE-2026-40517

radare2 prior to 6.1.4 contains a command injection vulnerability in the PDB parser's print_gvars() function that allows attackers to execute arbitrary commands by crafting a malicious PDB file with newline characters in symbol names. Attackers can inject arbitrary radare2 commands through unsanitized symbol name interpolation in the flag rename command, which are then executed when a user runs the idp command against the malicious PDB file, enabling arbitrary OS command execution through radare2's shell execution operator.

• CWE-78

• https://blog.calif.io/p/mad-bugs-discovering-a-0-day-in-zeroExploit, Third Party Advisory
• https://github.com/radareorg/radare2/issues/25730Exploit, Issue Tracking, Third Party Advisory
• https://github.com/radareorg/radare2/pull/25731Issue Tracking
• https://www.vulncheck.com/advisories/radare2-command-injection-via-pdb-parser-symbol-namesThird Party Advisory

Published

Apr 22, 2026

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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