CVE detail
CVE-2026-1642
A vulnerability exists in NGINX OSS and NGINX Plus when configured to proxy to upstream Transport Layer Security (TLS) servers. An attacker with a man-in-the-middle (MITM) position on the upstream server side—along with conditions beyond the attacker's control—may be able to inject plain text data into the response from an upstream proxied server. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Buzz score
Why this CVE is surfacing
This all-time snapshot uses the same composite formula as Trending across a 30-year evidence window, rather than a current rolling window.
Buzz score components · mention 16.1 · diversity 20.0 · KEV 0.0 · OTX 0.0 · PoC 0.0
Why it matters now
Mention timeline
- Total mentions
- 0
- within the 30d window
- Peak daily
- 0
- highest bucket
Evidence
Source links by recency
4 source links · newest first
- Cisco, F5 Patch High-Severity VulnerabilitiesSecurityWeek
The security defects can lead to DoS conditions, arbitrary command execution, and privilege escalation.
newswww.securityweek.comFeb 5, 2026, 9:54 AM - Nginx vulnerability CVE-2026-1642Hacker News
Linked URL: https://my.f5.com/manage/s/article/K000159824 | Posted by ericdiao | 2 points | 0 comments
communitynews.ycombinator.comFeb 5, 2026, 2:48 AM - http://www.openwall.com/lists/oss-security/2026/02/05/1www.openwall.com
No excerpt available.
Exploitwww.openwall.comFeb 4, 2026, 3:16 PM No excerpt available.
Vendor Advisorymy.f5.comFeb 4, 2026, 3:16 PM
Exploit code
Public exploit repository references
Public PoC repositories are third-party, potentially unsafe artifacts. Treat their code as untrusted and use it only on authorized systems in an isolated, least-privilege environment. cvebuzz does not execute the code or verify that an exploit works.
0 repository references · best confidence N/A · max 0 stars
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