CVE-2026-90885
Apache Camel: Camel-Saxon XML External Entity Processing - XQueryBuilder Parsed a Message Body That Was Already a javax.xml.transform.Source With Saxon's Default Parser Settings, so an External Entity Declared in That Body Was Resolved
02 Description
Apache Camel: Camel-Saxon XML External Entity Processing - XQueryBuilder Parsed a Message Body That Was Already a javax.xml.transform.Source With Saxon's Default Parser Settings, so an External Entity Declared in That Body Was Resolved
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.59% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 48.3% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-26.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-26 14:47Z2 DAYS AGO
- Last updated
- 2026-10-26 15:35Z2 DAYS AGO
- Reserved
- 2026-09-14
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-611Improper Restriction of XML External Entity ReferenceBase
- Data version
- 5.2
- Document digest
- 0236fa49c9be1a936c36be58a493975f2ca7fe5c32a3a546829ea21bdae38ec7
05 Affected products
06 References
- camel.apache.orgApache Camel Security Advisory - CVE-2026-90885https://camel.apache.org/security/CVE-2026-90885.html
- issues.apache.orgCAMEL-24691https://issues.apache.org/jira/browse/CAMEL-24691
- github.comFix on main, released in 4.23.0 (commit 9c23b6868bb92cb19c2b5a7ee624421d760cda8f)https://github.com/apache/camel/pull/26344
- github.comBackport to camel-4.22.x for 4.22.2 (commit 0d0ed8bbe38fdae6e778c4f719e80c2e2d0e51b2)https://github.com/apache/camel/pull/26728
- github.comBackport to camel-4.18.x, released in 4.18.5 (commit ed513f3a7117c3343a9e31e22e5627498f2fcdb6)https://github.com/apache/camel/pull/26730
- camel.apache.orgCVE-2026-85250, the camel-xpath documentType=InputSource XXE, distinct from this issuehttps://camel.apache.org/security/CVE-2026-85250.html
07 Remediation
Users are recommended to upgrade to version 4.23.0, which fixes the issue. If users are on the 4.22.x releases stream, then they are suggested to upgrade to 4.22.2. If users are on the 4.18.x releases stream, then they are suggested to upgrade to 4.18.5. XQueryBuilder now builds its default Saxon Configuration with parse options that refuse a DOCTYPE declaration and disable external general entities, external parameter entities and external DTD loading, aligning a body that is already a javax.xml.transform.Source with the hardened parser configuration that Camel's XmlConverter applies to String, byte[] and InputStream bodies. A body that reaches XQuery as an already-built Source and carries a DOCTYPE declaration is now rejected with a parse error. A Configuration supplied through the configuration option of the xquery endpoint or language is used as is and is not modified. The 4.14.x releases stream and earlier, as well as the 4.15.x to 4.17.x and 4.19.x to 4.21.x release lines, reached end of life before this issue was resolved and will not receive a fix, so deployments on them must move to a supported release.