How severe is CVE-2025-62354?

CVE-2025-62354 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-62354 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-62354?

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

Does CVE-2025-62354 have an EU (EUVD) identifier?

Yes. CVE-2025-62354 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199728.

When was CVE-2025-62354 published?

CVE-2025-62354 was published on 2025-11-26 and last updated on 2026-06-17.

CVE-2025-62354

CVE-2025-62354 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-199728
Weakness: CWE-78
Published: 2025-11-26
Last modified: 2026-06-17

Description

Improper neutralization of special elements used in an OS command ('command injection') in Cursor allows an unauthorized attacker to execute commands that are outside of those specified in the allowlist, resulting in arbitrary code execution.

Frequently asked questions

What is CVE-2025-62354?: Improper neutralization of special elements used in an OS command ('command injection') in Cursor allows an unauthorized attacker to execute commands that are outside of those specified in the allowlist, resulting in arbitrary code execution.
How severe is CVE-2025-62354?: CVE-2025-62354 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-62354 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-62354?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-62354 have an EU (EUVD) identifier?: Yes. CVE-2025-62354 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-199728.
When was CVE-2025-62354 published?: CVE-2025-62354 was published on 2025-11-26 and last updated on 2026-06-17.

References

https://hiddenlayer.com/sai_security_advisor/2025-11-cursor/

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