# predictable WebSocket mask

CVE record · `CVE-2025-10148`

- **Identifiers:** `CVE-2025-10148`
- **State:** Confirmed
- **Severity:** CVSS 5.3 Medium
- **Critical:** No
- **CNA:** curl
- **Weakness (CWE):** [CWE-340](https://cwe.mitre.org/data/definitions/340.html)
- **Tags:** [CWE-340](https://agentprime.io/advisories/tag/cwe-340.md)
- **Technologies:** [curl](https://agentprime.io/advisories/technology/curl.md)
- **Published:** 12 Sept 2025
- **Updated:** 15 Sept 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: curl) at 12 Sept 2025, 05:10 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Affected products, as the CNA wrote them

- Vendor: curl. Product: curl.
  - affected: `8.11.0 to before 8.14.2` (semver)
  - affected: `8.15.0 to before 8.16.0` (semver)
  - Other versions: unaffected
- Vendor: curl. Product: curl.
  - affected: `d78e129d50b2d190f1c1bde2ad1f62f02f152db0 to before 84db7a9eae8468c0445b15aa806fa7fa806fa0f2` (git)
  - Other versions: unaffected
- Vendor: curl. Product: curl.
  - affected: `8.15.0`
  - affected: `8.14.1`
  - affected: `8.14.0`
  - affected: `8.13.0`
  - affected: `8.12.1`
  - affected: `8.12.0`
  - affected: `8.11.1`
  - affected: `8.11.0`
  - Other versions: unaffected

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 5.3 Medium, CVSS 3.1: `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`, from ADP (CISA-ADP)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0052, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 12 Sept 2025. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2025-10148](https://www.cve.org/CVERecord?id=CVE-2025-10148)
- [NVD: CVE-2025-10148](https://nvd.nist.gov/vuln/detail/CVE-2025-10148)

### References from the CNA

- <https://curl.se/docs/CVE-2025-10148.json>
- <https://curl.se/docs/CVE-2025-10148.html>
- <https://hackerone.com/reports/3330839>

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2025-10148>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2025-10148/>. Everything for agents: <https://agentprime.io/llms.txt>.