CVE-2024-31079VulnerabilityPublished 4 Jun 2024Updated 8 Sep 2026

CVE-2024-31079: NGINX HTTP/3 QUIC vulnerability

Affects nginxSource GCVE Database

Not known to be exploited : upgrade to 1.26.1 when convenient.

Data as of 26 Oct 2026, 06:26 UTC

Severity

Medium

Rated by Threat Radar · No CVSS score from NVD or the CNA

EPSS: 0.8% chance of exploitation in 30 days – higher than 59% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch: Available – fixed in 1.26.1

Exploitation evidence

Disclosed: evidence found.
CVE published 4 Jun 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Upgrade nginx to 1.26.1.

Affected software

Product	Affected	Fixed in
Bitnaminginx`pkg:bitnami/nginx`Other threats	Affected >=1.25.0 <1.26.1	Fixed in 1.26.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

A patch is available for this vulnerability. Users should upgrade NGINX to version 1.26.1 or later to remediate the issue. No additional mitigation steps are indicated by the vendor advisory.

Description

CVE-2024-31079 is a medium severity vulnerability affecting NGINX Plus and NGINX OSS when configured with the HTTP/3 QUIC module. Specifically crafted HTTP/3 requests, timed during the connection draining process, can cause NGINX worker processes to terminate or lead to other potential impacts. Exploitation requires precise timing that attackers have limited control or visibility over. A patch is available for affected versions.

Impact

Successful exploitation can cause termination of NGINX worker processes, potentially disrupting service availability. Other unspecified impacts may also occur. However, the attack requires precise timing during connection draining, limiting the likelihood and ease of exploitation.

Summary

This vulnerability in NGINX HTTP/3 QUIC module allows specially timed HTTP/3 requests during connection draining to cause worker process termination or other impacts. The attack complexity is high due to the need for precise timing during connection draining, which attackers cannot easily observe or influence. The affected versions are NGINX versions from 1.25.0 up to but not including 1.26.1. No CVSS score is provided, but the severity is assessed as medium. A patch is available to address this issue.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 8 Sep 2026, 13:38 UTC

Technical details

References

Community reviews

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