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CVE-2025-11563

19
FAUCET Score

CVE-2025-11563 is a directory traversal vulnerability affecting the wcurl command-line tool within curl and haxx curl. This flaw allows an attacker to craft URLs with percent-encoded slashes, enabling wcurl to save output files outside the intended directory without explicit user consent. Rated Medium with a CVSS score of 4.6 (AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N), the vulnerability requires user interaction and could lead to limited data confidentiality and integrity impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and it is not listed in CISA's KEV catalog.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2024-12-08, < 2025-11-09CPE matchmatch criteria
cpe:2.3:a:curl:wcurl:*:*:*:*:*:*:*:*
>= 8.14.0, <= 8.14.0CPE match
cpe:2.3:a:curl:curl:*:*:*:*:*:*:*:*
>= 8.14.1, <= 8.14.1CPE match
cpe:2.3:a:curl:curl:*:*:*:*:*:*:*:*
>= 8.15.0, <= 8.15.0CPE match
cpe:2.3:a:curl:curl:*:*:*:*:*:*:*:*
>= 8.16.0, <= 8.16.0CPE match
cpe:2.3:a:curl:curl:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.6MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.1
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.30%
Probability of exploitation in next 30 days
EPSS Percentile
22.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0030 is in the 32nd percentile among its peer group of 15,224 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

ubuntupatch availablevia ubuntu_usn
Product: curl (jammy)Fixed in: 7.81.0-1ubuntu1.22
ubuntupatch availablevia ubuntu_usn
Product: curl (noble)Fixed in: 8.5.0-2ubuntu10.7
ubuntupatch availablevia ubuntu_usn
Product: curl (questing)Fixed in: 8.14.1-2ubuntu1.1

Vendor Advisories (3)

redhatCVE-2025-11563Moderate

wcurl: wcurl: Arbitrary file placement via crafted URLs

Feb 25, 2026
ubuntuUSN-8062-1

curl vulnerabilities

Feb 25, 2026
microsoft2026-Feb/CVE-2025-11563

wcurl path traversal with percent-encoded slashes

Feb 10, 2026

References

lists.debian.org / debian-release/2025/11/msg00504.html
Mailing ListPatchThird Party Advisory
curl.se / docs/CVE-2025-11563.html
PatchVendor Advisory
curl.se / docs/CVE-2025-11563.json
Vendor Advisory
openwall.com / lists/oss-security/2025/11/04/1
Mailing ListThird Party Advisory