Cyber Resilience

CVE-2025-10148

Haxx Curl 8.11.0 – 8.16.0

Published
12 September 2025
Modified
20 January 2026
Patch / advisory
CVSS Score v3.1 5.3
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0050 41th percentile
Risk Priority 44 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2025-10148 is a medium-severity an unspecified weakness vulnerability in Haxx Curl. Its CVSS base score is 5.3 (Medium).

Operationally, ranked at the 41th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability Data

curl's websocket code did not update the 32 bit mask pattern for each new outgoing frame as the specification says. Instead it used a fixed mask that persisted and was used throughout the entire connection. A predictable mask pattern allows…

more

for a malicious server to induce traffic between the two communicating parties that could be interpreted by an involved proxy (configured or transparent) as genuine, real, HTTP traffic with content and thereby poison its cache. That cached poisoned content could then be served to all users of that proxy.

CWE(s)

Related Threats

CVEs Like This One

CVE-2026-8458Same product: Haxx Curl
CVE-2026-5773Same product: Haxx Curl
CVE-2025-15079Same product: Haxx Curl
CVE-2024-0853Same product: Haxx Curl
CVE-2026-3784Same product: Haxx Curl
CVE-2026-3805Same product: Haxx Curl
CVE-2026-10536Same product: Haxx Curl
CVE-2025-14819Same product: Haxx Curl
CVE-2026-11586Same product: Haxx Curl
CVE-2025-15224Same product: Haxx Curl

Affected Assets

haxx
curl
8.11.0 — 8.16.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References