August 1, 2026

CVE Watchtower


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CVE-2026-27784NVD

Vulnerability Summary

The 32-bit implementation of NGINX Open Source has a vulnerability in the ngx_http_mp4_module module, which might allow an attacker to over-read or over-write NGINX worker memory resulting in its termination, using a specially crafted MP4 file. The issue only affects 32-bit NGINX Open Source if it is built with the ngx_http_mp4_module module and the mp4 directive is used in the configuration file. Additionally, the attack is possible only if an attacker can trigger the processing of a specially crafted MP4 file with the ngx_http_mp4_module module.


Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity Level
HIGH(7.8)
Published Date
Mar 24, 2026
Last Modified
Jul 15, 2026
Exploitation Status
No confirmed exploitation yet
EPSS Score (30-Day)
1.03%Probability
Root Weakness (CWE)
N/A
CVSS v3.1 Base Metrics
Attack VectorLocal
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh