# stale proxy password leak

CVE record · `CVE-2026-9079`

- **Identifiers:** `CVE-2026-9079`
- **State:** Confirmed
- **Severity:** CVSS 9.8 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** curl
- **Weakness (CWE):** [CWE-522](https://cwe.mitre.org/data/definitions/522.html)
- **Tags:** [Hard-coded credentials](https://agentprime.io/advisories/tag/hard-coded-credentials.md)
- **Technologies:** [curl](https://agentprime.io/advisories/technology/curl.md)
- **Published:** 3 Jul 2026
- **Updated:** 15 Sept 2026
- **Reviewed by a person:** No

Published by the CVE Program (CNA: curl) at 3 Jul 2026, 06:16 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.

## Critical

Critical, because:

- CVSS score 9.8: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

- Vendor: curl. Product: curl.
  - affected: `8.8.0 to before 8.14.2` (semver)
  - affected: `8.15.0 to before 8.16.1` (semver)
  - affected: `8.17.0 to before 8.20.1` (semver)
  - Other versions: unaffected
- Vendor: curl. Product: curl.
  - affected: `d5e83eb745762f48d8fafadc5df5dd3ae8d8941e to before 88c7e16cceec816a2df45c899d49b1e85513f193` (git)
  - Other versions: unaffected
- Vendor: curl. Product: curl.
  - affected: `8.20.0`
  - affected: `8.19.0`
  - affected: `8.18.0`
  - affected: `8.17.0`
  - affected: `8.16.0`
  - 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`
  - and 6 more
  - 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

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

- **CISA KEV:** Not listed.
- **EPSS:** 0.011, the 64th 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 3 Jul 2026. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2026-9079](https://www.cve.org/CVERecord?id=CVE-2026-9079)
- [NVD: CVE-2026-9079](https://nvd.nist.gov/vuln/detail/CVE-2026-9079)

### References from the CNA

- <https://curl.se/docs/CVE-2026-9079.json>
- <https://curl.se/docs/CVE-2026-9079.html>
- <https://hackerone.com/reports/3750295>

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-2026-9079>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2026-9079/>. Everything for agents: <https://agentprime.io/llms.txt>.