CVE-2026-8926
criticalpriority · track · 0EPSS 0.004 · 38 %ileDEEUFRUSEPSS · scored 2026-10-27
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://user@example.com/`, 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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (33)
Products and version ranges known to be affected.
advisories (4)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-2065cURL: Mehrere SchwachstellenDeutsch2026-06-24csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in cURL ausnutzen, um Sicherheitsvorkehrungen zu umgehen, vertrauliche Informationen offenzulegen, Daten zu manipulieren oder einen Denial-of-Service-Zustand zu verursachen.
- CERTFR-2026-AVI-1351Multiples vulnérabilités dans Oracle MySQLFrançais2026-10-21vendor · certfrFR
- CERTFR-2026-AVI-1390Multiples vulnérabilités dans Tenable Network MonitorFrançais2026-10-27vendor · certfrFR
- CURL-CVE-2026-8926password leak with netrc and user in URL2026-06-24vendor · osvUS
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://user@example.com/`, 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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://curl.se/docs/CVE-2026-8926.htmlcnnvd
- https://curl.se/docs/CVE-2026-8926.jsoncnnvd
- https://hackerone.com/reports/3735184cnnvd
- https://curl.se/docs/CVE-2026-8926.htmlenisa_euvd
- https://curl.se/docs/CVE-2026-8926.jsonenisa_euvd
- https://hackerone.com/reports/3735184enisa_euvd
- https://curl.se/docs/CVE-2026-8926.htmlPatchVendor Advisorynvd
- https://curl.se/docs/CVE-2026-8926.jsonVendor Advisorynvd
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