CVE-2026-101259: Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel CoAP component
CVE-2026-101259 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Medium
- CVSS base score
- 5.3 (Apache), 5.3 (Red Hat)
- Weakness
- CWE-209
- Fixed releases
- Apache: 4.18.5, 4.22.2, 4.23.0
- Red Hat: 4.23.0, 4.22, 4.22.2, 4.18, 4.18.5
- Listed by VulniPulse
- Record changed
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-101259; each belongs to its advisory, not to every product listed. How records are collected and checked.
How do I fix CVE-2026-101259?
Upgrade to a fixed release named by the vendor:
- Apache: 4.18.5, 4.22.2, 4.23.0
- Red Hat: 4.23.0, 4.22, 4.22.2, 4.18, 4.18.5
- Users are recommended to upgrade to version 4.23.0, which fixes the issue. (Apache)
- If users are on the 4.22.x releases stream, then they are suggested to upgrade to 4.22.2. (Apache)
Vendor advisories for CVE-2026-101259
Apache
1 advisory- Advisory severityMedium5.3
Medium [CVE-2026-101259] Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel CoAP component
CVE-2026-101259Source published Source updated
Generation of Error Message Containing Sensitive Information vulnerability in Apache Camel CoAP component. This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.2. When the CoAP consumer could not build its response once the route had completed, CamelCoapResource caught the resulting exception and sent its message back to the CoAP client as the payload of a 5.00 Internal Server Error response. The typical case is a type conversion failure: the consumer converts the final message body to the byte[] payload, and the CamelCoapMaxAge and CamelCoapETag headers to their types, after the route has returned, and therefore outside the route's error handler. On the affected releases the message of such a failure names the class of the value being converted, carries the…
- Affected products in this advisory
- Apache Camel CoAP
- Source-reported affected versions
- 4.0.0 before 4.18.5
- 4.19.0 before 4.22.2
- Source-reported fixed versions
- 4.18.5
- 4.22.2
- 4.23.0
- Mitigation guidance
- 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.
- The upgrade is enough on its own: the new muteException consumer option defaults to true on all three fixed release lines, so the error response carries no payload without any configuration change.
1 more entries in the full advisory.
Red Hat
1 advisory- Advisory severityMedium5.3
Medium [CVE-2026-101259] Information disclosure via verbose error responses
CVE-2026-101259Source published Source updated
Information disclosure via verbose error responses. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-209. Affected product named by the advisory: Red Hat Fuse 7.
- Related products — impact not confirmed
- Red Hat Fuse 7
- Source-reported affected versions
- < 4.0.0
- < 4.18.5
- < 4.19.0
- < 4.22.2
10 more entries in the full advisory.
- Source-reported fixed versions
- 4.23.0
- 4.22
- 4.22.2
- 4.18
1 more entries in the full advisory.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
References
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