CVE-2026-42946
6.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L
Summary
A vulnerability exists in the ngx_http_scgi_module and ngx_http_uwsgi_module modules that may result in excessive memory allocation or an over-read of data. When scgi_pass or uwsgi_pass is configured, an unauthenticated attacker with man-in-the-middle (MITM) ability to control responses from an upstream server may be able to read the memory of the NGINX worker process or restart it. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| F5 | NGINX Plus | R37 < * | unaffected |
| F5 | NGINX Plus | R36 < R36 P4 | affected |
| F5 | NGINX Plus | R32 < R32 P6 | affected |
| F5 | NGINX Open Source | 1.31.0 < * | unaffected |
| F5 | NGINX Open Source | 0.8.42 < 1.30.1 | affected |
Weaknesses
- CWE-789: CWE-789: Memory Allocation with Excessive Size Value
- CWE-823: CWE-823: Use of Out-of-range Pointer Offset
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
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