SB2026102720 - Red Hat Enterprise Linux 9 update for python-tornado
Published: October 27, 2026
Security Bulletin ID
SB2026102720
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2026-49853)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
The vulnerability allows a remote user to disclose credentials intended for one origin to a different origin.
The vulnerability exists due to improper handling of authorization headers in SimpleAsyncHTTPClient when following cross-origin 3xx redirects. A remote user can cause the client to forward authorization credentials to a different origin.
Redirect following is enabled by default.
Remediation
Install update from vendor's website.