CVE-2026-91992
MEDIUMCVSS 5.9Description
Tornado before 6.5.7 contains a credential leak vulnerability in CurlAsyncHTTPClient where pycurl handles are reused across requests without proper state clearing. Attackers can obtain sensitive credentials by issuing requests through the same client instance, allowing TLS certificates or proxy authentication to persist across unintended requests.
Timeline
Published:September 15th, 2026 4:17 PM
Last modified:September 16th, 2026 1:42 PM
CVSS Scoring
CVSS v3: 5.9 (MEDIUM)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Weaknesses (CWE)
References & Reports
Advisories, patches, and third-party reports
Source: NIST NVD · Data may lag official sources by up to one minute