CVE-2024-4027: Red Hat build of Apicurio Registry 2 · Improper Input Validation
Affects Red Hat build of Apicurio Registry 2Source CVE Database V5
Not known to be exploited · CVSS 7.5 High.
Data as of 26 Oct 2026, 09:15 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 33% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitation evidence
Disclosed: evidence found.
CVE published 30 Jan 2026
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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Red HatRed Hat build of Apicurio Registry 2 | Affected– | Fixed in– |
| Red HatRed Hat build of Quarkus | Affected– | Fixed in– |
| Red HatRed Hat Data Grid 8 | Affected– | Fixed in– |
| Red HatRed Hat Fuse 7 | Affected– | Fixed in– |
| Red HatRed Hat Integration Camel K 1 | Affected– | Fixed in– |
| Red HatRed Hat JBoss Enterprise Application Platform 7 | Affected– | Fixed in– |
| Red HatRed Hat JBoss Enterprise Application Platform 8 | Affected– | Fixed in– |
| Red HatRed Hat JBoss Enterprise Application Platform Expansion Pack | Affected– | Fixed in– |
| Red HatRed Hat Process Automation 7 | Affected– | Fixed in– |
| Red HatRed Hat Single Sign-On 7 | Affected– | Fixed in– |
AI-suggested
Currently, there is no mitigation available for this vulnerability. Red Hat recommends monitoring the vendor advisory for updates and applying patches as soon as they are released. No temporary workarounds or mitigations are provided by Red Hat at this time.
Description
A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack.