How severe is CVE-2026-40499?

CVE-2026-40499 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-2026-40499 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-40499?

CVE-2026-40499 affects Radare Radare2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-40499?

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-2026-40499 have an EU (EUVD) identifier?

Yes. CVE-2026-40499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22826.

When was CVE-2026-40499 published?

CVE-2026-40499 was published on 2026-04-15 and last updated on 2026-06-17.

CVE-2026-40499

CVE-2026-40499 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% (64th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-22826
Weakness: CWE-78
Affected product: Radare Radare2
Published: 2026-04-15
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2026-40499?: CVE-2026-40499 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-2026-40499 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-40499?: CVE-2026-40499 affects Radare Radare2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-40499?: 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-2026-40499 have an EU (EUVD) identifier?: Yes. CVE-2026-40499 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-22826.
When was CVE-2026-40499 published?: CVE-2026-40499 was published on 2026-04-15 and last updated on 2026-06-17.

References

Affected products (1)

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

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