Gunicorn vulnerabilities and fixes

CVEs that mention Gunicorn, ranked by priority. 5 tracked.

Gunicorn has 5 tracked vulnerabilities, 1 critical. A fixed release or vendor patch exists for 2. Most recent: 2025-03-20. Highest priority: CVE-2024-7923 (score 59/100).

• CVE-2024-7923 CRITICAL 9.8 DOWNGRADE An authentication bypass vulnerability has been identified in Pulpcore when deployed with Gunicorn versions pr
• CVE-2022-42902 HIGH 8.8 UPGRADE MITIGATE In Linaro Automated Validation Architecture (LAVA) before 2022.10, there is dynamic code execution in lava_ser
• CVE-2024-1135 HIGH 7.5 Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling (HRS) vulnera
• CVE-2022-23470 HIGH 8.6 UPGRADE Galaxy is an open-source platform for data analysis
• CVE-2024-6827 HIGH 7.5 Gunicorn version 21.2.0 does not properly validate the value of the 'Transfer-Encoding' header as specified in

FAQ

How do I fix Gunicorn vulnerabilities?

Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.

Is Gunicorn being exploited right now?

None of the tracked Gunicorn CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.

Which Gunicorn CVE should I patch first?

CVE-2024-7923 currently ranks highest (59/100): An authentication bypass vulnerability has been identified in Pulpcore when deployed with Gunicorn versions pr.

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