CVE-2026-8926

CRITICALPre-NVD 9.1Trending — 6 sources updated this weekElevated
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.1Exploit: NoneExposed: 0

A fix is available — apply it.

When asking curl to use a .netrc file to find credentials and at the same time specifying a URL with a username(without a password), like https://[email protected]/, curl could wrongly get and use the password for *another* user set in the .netrc file for that host if such a one exists and there is no match for the specified user.

CVSS v3
9.1
EG Score
0.0(none)
EPSS
9.5%
KEV
Not listed

Published

July 3, 2026

Last Modified

July 6, 2026

Advisory Details (3)

Auto-updated Jul 6, 2026
No patch confirmed yet.
generic

HackerOne

https://hackerone.com/reports/3735184
generic
https://curl.se/docs/CVE-2026-8926.json
generic

curl - password leak with netrc and user in URL - CVE-2026-8926

https://curl.se/docs/CVE-2026-8926.html

Vendor Advisories for CVE-2026-8926(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(1)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulibcurl4t64 (8.14.1-2ubuntu1.4) @ questing2026-07-06ubuntu

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(1)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 12× in last 7d / 12× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-06 17:36 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
  2. 2026-07-06 16:27 UTCEPSS rescore
  3. 2026-07-06 05:58 UTCEG score recompute
  4. 2026-07-06 05:58 UTCVendor advisory
  5. 2026-07-06 05:58 UTCGHSA enrichment
  6. 2026-07-06 02:23 UTCEPSS rescore
  7. 2026-07-06 02:23 UTCEPSS rescore
  8. 2026-07-05 02:31 UTCEPSS rescore
  9. 2026-07-05 02:30 UTCEPSS rescore
  10. 2026-07-03 08:27 UTCEG score recompute
  11. 2026-07-03 08:27 UTCVendor advisory
  12. 2026-07-03 08:26 UTCNVD updatefirst tracked

Frequently asked(5)

What is CVE-2026-8926?
CVE-2026-8926 is a critical vulnerability published on July 3, 2026. When asking curl to use a .netrc file to find credentials and at the same time specifying a URL with a username(without a password), like https://[email protected]/, curl could wrongly get and use the password for another user set in the .netrc file for that host if such a one exists and there is no…
When was CVE-2026-8926 disclosed?
CVE-2026-8926 was first published in the National Vulnerability Database on July 3, 2026, with the most recent update on July 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8926 actively exploited?
CVE-2026-8926 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-8926?
CVE-2026-8926 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.
How do I remediate CVE-2026-8926?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8926, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-8926

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