Unscored severity · published Oct 20, 2026
CVE-2026-94266
password leak in CURLINFO_EFFECTIVE_URL
–
CVSS
0.2%
EPSS
No
On KEV
Description
libcurl could accidentally return a URL for `curl_easy_getinfo()`'s
`CURLINFO_EFFECTIVE_URL` option containing credentials, even though neither
the URL provided to libcurl nor the redirected URL did.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CU
curl · curl
8.22.0 through 8.22.0; 8.21.0 through 8.21.0; 8.20.0 through 8.20.0; 8.19.0 through 8.19.0; 8.18.0 through 8.18.0; 8.17.0 through 8.17.0; +34 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-94266
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-94266
curl.se
https://curl.se/docs/CVE-2026-94266.html
curl.se
https://curl.se/docs/CVE-2026-94266.json
hackerone.com
https://hackerone.com/reports/4041053
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