CVE-2026-40517
Command injection in radare2 PDB parser enables OS command execution.
Is CVE-2026-40517 being exploited?
Not confirmed. CVE-2026-40517 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 1.1% probability of exploitation in the next 30 days.
How severe is CVE-2026-40517?
CVE-2026-40517 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-40517?
Yes. A fix has been recorded for CVE-2026-40517. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-40517 affect?
CVE-2026-40517 affects radare2 <= 6.1.3. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-40517?
Patch to 6.1.4+ immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
OS command execution via crafted PDB file processed by idp; unsanitized symbol names trigger shell.
Immediate action required
- affected< 6.1.4
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.