CVE-2026-60005: CWE-908 Use of Uninitialized Resource in F5 NGINX Plus
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.
AI Analysis
Technical Summary
This vulnerability exists in the ngx_http_slice_module of NGINX Plus 37.0.0.1. When the slice directive and unnamed regex captures are configured or during background cache updates, unauthenticated attackers can trigger uninitialized memory access in the NGINX worker process. This can result in limited memory disclosure or cause the worker process to restart. The issue is limited to the data plane and does not affect control plane components. The module is not enabled by default, reducing exposure unless explicitly configured. No official fix or patch has been published as of the data available.
Potential Impact
Remote unauthenticated attackers may cause limited disclosure of memory contents or force a restart of the NGINX worker process, potentially disrupting service availability. There is no impact on the control plane, limiting the scope to data plane operations. This could lead to partial leakage of sensitive memory data and denial of service conditions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the ngx_http_slice_module is not enabled by default, disabling or not enabling this module can mitigate exposure. Monitor vendor communications for an official fix or workaround.
CVE-2026-60005: CWE-908 Use of Uninitialized Resource in F5 NGINX Plus
Description
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.
CVSS v3.1
Score 8.2high
Affected software
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Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability exists in the ngx_http_slice_module of NGINX Plus 37.0.0.1. When the slice directive and unnamed regex captures are configured or during background cache updates, unauthenticated attackers can trigger uninitialized memory access in the NGINX worker process. This can result in limited memory disclosure or cause the worker process to restart. The issue is limited to the data plane and does not affect control plane components. The module is not enabled by default, reducing exposure unless explicitly configured. No official fix or patch has been published as of the data available.
Potential Impact
Remote unauthenticated attackers may cause limited disclosure of memory contents or force a restart of the NGINX worker process, potentially disrupting service availability. There is no impact on the control plane, limiting the scope to data plane operations. This could lead to partial leakage of sensitive memory data and denial of service conditions.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the ngx_http_slice_module is not enabled by default, disabling or not enabling this module can mitigate exposure. Monitor vendor communications for an official fix or workaround.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- f5
- Date Reserved
- 2026-07-08T15:49:43.059Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a57a83f68715ace43f80bfc
Added to database: 07/15/2026, 15:33:19 UTC
Last enriched: 07/15/2026, 15:48:09 UTC
Last updated: 07/15/2026, 16:29:48 UTC
Views: 4
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