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CVE-2025-27636VulnerabilityPublished Updated

Red Hat Security Advisory: Red Hat Build of Apache Camel 4.8 for Quarkus 3.15 update is now available (RHBQ 3.15.3.SP2)

Affects Red HatSource GCVE Database

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Authoritative record:CVE-2025-27636· Medium 5.6

Not known to be exploited · CVSS 5.6 Medium.

Data as of 5 Nov 2026, 19:03 UTC

CVSS 3.1 base score
5.6Medium
How severe the flaw is on the 0–10 CVSS scale.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Mar 2025

  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

Affected software

ProductAffectedFixed in
Mavenorg.apache.camel/camel-corepkg:maven/org.apache.camel/camel-coreOther threatsAffected
  • =3.10.0 <=3.22.3
  • =4.8.0 <=4.8.4
  • =4.10.0 <=4.10.1
Fixed in–

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AI-suggested

Red Hat has released an official update (RHBQ 3.15.3.SP2) that addresses this vulnerability. Users should back up their existing installations, including applications and configurations, before applying the update. Additionally, as a mitigation, users can remove headers from their Camel routes either globally or on a per-route basis to reduce exposure. Applying the official update is the recommended remediation.

Description

CVE-2025-27636 is a moderate severity vulnerability in Apache Camel that allows bypassing header filters via a specially crafted HTTP response. This flaw arises from improper filtering of headers starting with "Camel" or "camel.", which can be exploited under specific configurations involving the camel-bean component as a producer and HTTP-based consumers. Exploitation could allow attackers to invoke certain methods on Java beans present in the classpath but does not permit arbitrary code execution or full system takeover. Red Hat has released an update (RHBQ 3.15.3.SP2) to address this issue in their build of Apache Camel 4.8 for Quarkus 3.15. Users are advised to back up their installations before applying the update.

References

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