High [CVE-2026-60005] NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module
This high-severity F5 advisory covers CVE-2026-60005 affecting NGINX Plus, NGINX Open Source.
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Summary
NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module.
When the slice directive and unnamed regex captures are configured or when a background cache update happens, unauthenticated attackers can send requests that may cause uninitialized memory access in the NGINX worker process, leading to limited disclosure of memory or a restart.
Impact: This vulnerability may allow remote, unauthenticated attackers to have limited control to disclose memory contents or restart the NGINX worker process.
There is no control plane exposure; this is a data plane issue only. Note: The ngx_http_slice_module module is not enabled by default; it's enabled with the --with-http_slice_module configuration parameter.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
- NGINX Plus 37.0.0.1 before 37.0.3.1
- NGINX Plus R36 before R36 P7
- NGINX Plus R33
- NGINX Open Source 1.31.2 before 1.31.3
- NGINX Open Source 1.15.8 before 1.30.4
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- 37.0.3.1
- R36 P7
- 1.31.3
- 1.30.4
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- When the slice directive and unnamed regex captures are configured or when a background cache update happens, unauthenticated attackers can send requests that may cause uninitialized memory access in the NGINX worker process, leading to limited disclosure of memory or a restart.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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