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CVE-2026-24281VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat JBoss Enterprise Application Platform 8.1.6 XP 6.0.4.GA security release

Affects Red HatSource GCVE Database

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Mentioned vulnerabilities

Authoritative record:CVE-2026-24281· Medium 5.9

Not known to be exploited · CVSS 5.9 Medium : upgrade Red Hat zookeeper to 3.9.5 or 3.8.6 when convenient.

Data as of 5 Nov 2026, 15:02 UTC

CVSS 3.1 base score
5.9Medium
How severe the flaw is on the 0–10 CVSS scale.
Patch
Available – fixed in 3.9.5, 3.8.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 5 Nov 2026.

What to do

Upgrade org.apache.zookeeper/zookeeper to 3.9.5 or 3.8.6.

Affected software

ProductAffectedFixed in
Apache Software FoundationApache ZooKeeperAffected
  • >=3.9.0 <=3.9.4
  • >=3.8.0 <=3.8.5
Fixed in–
Mavenorg.apache.zookeeper/zookeeperpkg:maven/org.apache.zookeeper/zookeeperOther threatsAffected
  • <3.8.6
  • >=3.8.0 <3.8.6
  • <3.9.5
  • >=3.9.0 <3.9.5
Fixed in
  • 3.8.6
  • 3.9.5
MavenApache Software Foundation/org.apache.zookeeper:zookeeperpkg:maven/Apache Software Foundation/org.apache.zookeeper:zookeeperOther threatsAffected
  • >=3.9.0 <=3.9.4
  • >=3.8.0 <=3.8.5
Fixed in–

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

AI-suggested

Red Hat has released an official cumulative patch update (JBoss EAP XP 6.0.4.GA on EAP 8.1.6) that addresses these vulnerabilities. Users should apply this update after ensuring all prior relevant errata are installed and backing up their systems. Detailed update instructions are available in the Red Hat advisory and documentation. No alternative mitigations are specified; applying the official patch is the recommended remediation.

Description

Red Hat released a cumulative security update for JBoss Enterprise Application Platform 8.1.6 XP 6.0.4.GA addressing three vulnerabilities: server or client impersonation via reverse DNS spoofing in Apache ZooKeeper (CVE-2026-24281), information disclosure due to improper configuration handling in Apache ZooKeeper (CVE-2026-24308), and denial of service via HTTP/2 CONTINUATION frame flood in Netty (CVE-2026-33871).

References

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