RCE in Radare Radare2
CVE-2026-40499
radare2 prior to version 6.1.4 contains a command injection vulnerability in the PDB parser's print_gvars() function that allows attackers to execute arbitrary commands by embedding a newline byte in the PE section header name field. Attackers can craft a malicious PDB file with specially crafted section names to inject r2 commands that are executed when the idp command processes the file.
Vulnerability class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 76.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.017 · change: +0.005
Affected products
- Radare Radare2
- Radareorg Radare2 — versions 0, 5590c87deeb7eb2a106fd7aab9ca88bfeebb7397
Weakness classification (CWE)
References
- github.com/radareorg/radare2/issues/25752 (issue-tracking, Exploit, Third Party Advisory, Issue Tracking)
- github.com/radareorg/radare2/commit/5590c87deeb7eb2a106fd7aab9ca88bfeebb7397 (Patch, patch)
- github.com/radareorg/radare2/releases/tag/6.1.4 (release-notes, Release Notes)
- www.vulncheck.com/advisories/radare2-command-injection-via-pdb-parser-print-gva… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2026-40499?
- CVE-2026-40499 is a high-severity vulnerability in Radare Radare2, classified under OS Command Injection. CVSS score: 7.8/10. Published 2026-04-15.
- How severe is CVE-2026-40499?
- High severity. CVSS v3 base score is 7.8 out of 10.