How severe is CVE-2025-11563?

CVE-2025-11563 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-11563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-11563?

CVE-2025-11563 affects Curl Wcurl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-11563?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-11563 have an EU (EUVD) identifier?

Yes. CVE-2025-11563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208109.

When was CVE-2025-11563 published?

CVE-2025-11563 was published on 2026-02-25 and last updated on 2026-06-17.

CVE-2025-11563

CVE-2025-11563 is a medium-severity vulnerability in Curl Wcurl with a CVSS 3.x base score of 4.6. 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-22.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208109
Weakness: CWE-22
Affected product: Curl Wcurl
Published: 2026-02-25
Last modified: 2026-06-17

Description

URLs containing percent-encoded slashes (`/` or `\`) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool.

Frequently asked questions

What is CVE-2025-11563?: URLs containing percent-encoded slashes (`/` or `\`) can trick wcurl into saving the output file outside of the current directory without the user explicitly asking for it. This flaw only affects the wcurl command line tool.
How severe is CVE-2025-11563?: CVE-2025-11563 has a CVSS 3.x base score of 4.6, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-11563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-11563?: CVE-2025-11563 affects Curl Wcurl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-11563?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-11563 have an EU (EUVD) identifier?: Yes. CVE-2025-11563 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208109.
When was CVE-2025-11563 published?: CVE-2025-11563 was published on 2026-02-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:curl:wcurl:*:*:*:*:*:*:*:*

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