How severe is CVE-2026-40517?

CVE-2026-40517 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-40517 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40517?

CVE-2026-40517 affects Radare Radare2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40517?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-40517 have an EU (EUVD) identifier?

Yes. CVE-2026-40517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25119.

When was CVE-2026-40517 published?

CVE-2026-40517 was published on 2026-04-22 and last updated on 2026-06-17.

CVE-2026-40517

CVE-2026-40517 is a high-severity vulnerability in Radare Radare2 with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.4
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25119
Weakness: CWE-78
Affected product: Radare Radare2
Published: 2026-04-22
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-40517?: CVE-2026-40517 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-40517 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40517?: CVE-2026-40517 affects Radare Radare2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40517?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-40517 have an EU (EUVD) identifier?: Yes. CVE-2026-40517 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25119.
When was CVE-2026-40517 published?: CVE-2026-40517 was published on 2026-04-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:radare:radare2:*:*:*:*:*:*:*:*

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