CVE-2026-40517 radare2 < 6.1.4 Command Injection via PDB Parser Symbol Names
Attackers can execute arbitrary OS commands by tricking users into opening a malicious PDB file with crafted symbol names in radare2.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-40517?
CVE-2026-40517 is a high-severity command injection vulnerability in Radare Radare2, published on 22 Apr 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-78
Which versions are affected by CVE-2026-40517?
It affects 1 product.
Products include Radare Radare2.
How do I fix CVE-2026-40517?
Upgrade to a fixed version.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-40517 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-40517 exists.
Other vulnerabilities in Radare Radare2
Sources
Also known as GHSA-3xv9-7r7g-8q6f, UBUNTU-CVE-2026-40517.