CVE-2026-7168
mediumpriority · track · 21OT risk · elevatedEPSS 0.005 · 40 %ileDEEUFRRUUSEPSS · scored 2026-10-22
Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the `Proxy-Authorization:` header field meant for `proxyA`, to `proxyB`.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (207)
Products and version ranges known to be affected.
advisories (5)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-1307cURL: Mehrere SchwachstellenDeutsch2026-04-28csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in cURL ausnutzen, um Sicherheitsvorkehrungen zu umgehen, vertrauliche Informationen offenzulegen oder Daten zu manipulieren.
- WID-SEC-W-2026-2929Splunk Splunk Enterprise: Mehrere SchwachstellenDeutsch2026-08-19csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Splunk Splunk Enterprise ausnutzen, um beliebigen Code auszuführen, Berechtigungen zu erweitern, Sicherheitsmaßnahmen zu umgehen, SQL-Injection-, serverseitige Request-Forgery- und Cross-Site-Scripting-Angriffe durchzuführen, sensible Informationen offenzulegen oder zu manipulieren, Denial-of-Service-Zustände auszulösen oder andere, nicht näher spezifizierte Angriffe durchzuführen.
- WID-SEC-W-2026-4090Oracle Communications: Mehrere SchwachstellenDeutsch2026-10-20csaf · cert_bundDE
Ein entfernter, anonymer oder authentisierter Angreifer kann mehrere Schwachstellen in Oracle Communications ausnutzen, um die Vertraulichkeit, Integrität und Verfügbarkeit zu gefährden.
- CERTFR-2026-AVI-1351Multiples vulnérabilités dans Oracle MySQLFrançais2026-10-21vendor · certfrFR
- CURL-CVE-2026-7168cross-proxy Digest auth state leak2026-04-29vendor · osvUS
Successfully using libcurl to do a transfer over a specific HTTP proxy (`proxyA`) with **Digest** authentication and then changing the proxy host to a second one (`proxyB`) for a second transfer, reusing the same handle, makes libcurl wrongly pass on the `Proxy-Authorization:` header field meant for `proxyA`, to `proxyB`.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (9)
External citations — patches, advisories, analysis.
- https://github.com/curl/curl/releasesPatchcnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2026-7168cnnvd
- https://curl.se/docs/CVE-2026-7168.htmlenisa_euvd
- https://curl.se/docs/CVE-2026-7168.jsonenisa_euvd
- https://hackerone.com/reports/3697719enisa_euvd
- http://www.openwall.com/lists/oss-security/2026/04/29/14Mailing ListPatchnvd
- https://curl.se/docs/CVE-2026-7168.htmlPatchVendor Advisorynvd
- https://curl.se/docs/CVE-2026-7168.jsonVendor Advisorynvd
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