CVE-2026-34518: Aiohttp Cross Origin Redirect Header Leak
During a cross-origin redirect, sensitive headers such as Cookie and Proxy-Authorization might not be properly removed. This can expose active session credentials and proxy tokens to untrusted third-party servers. Ensure that you clear all sensitive headers when the redirect target differs from the current origin.
Pythongreprules fetch cve-2026-34518-aiohttp-cross-origin-redirect-header-leak --engine opengrepDescription
During a cross-origin redirect, sensitive headers such as Cookie and Proxy-Authorization might not be properly removed. This can expose active session credentials and proxy tokens to untrusted third-party servers. Ensure that you clear all sensitive headers when the redirect target differs from the current origin.
Community feedback
0 rule-level signals from signed-in users.
- Useful reports
- 0
- Context false positives
- 0
- Metadata suggestions
- 0
Contextual precision
Aggregated from approved scan feedback. False-positive reports describe observed scan contexts, not a global rule verdict.
- Findings observed
- 0
- Projects
- 0
- Reporters
- 0
Precision details are collecting more signed-in reports before verdict counts or ratios are emphasized.
No approved finding verdicts yet.
No scan diagnostics reported yet.