CVE-2026-40022
A public proof of concept exists; no exploitation attested.
- Published2026-04-27
- Fixed in4.20.0 · 4.18.2 · 4.14.6
- WeaknessCWE-288 · CWE-551
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
When authentication is enabled on the Apache Camel embedded HTTP server or embedded management server (camel-platform-http-main) and a non-root context path such as /api or /admin is configured via camel.server.path or camel.management.path, the BasicAuthenticationConfigurer and JWTAuthenticationConfigurer classes derive the authentication path from properties.getPath() when camel.server.authenticationPath / camel.management.authenticationPath is not explicitly set. Combined with the Vert.x sub-router mounting model - the sub-router is mounted at _path_* and the authentication handler is registered inside the sub-router at the resolved path - this causes the authentication handler to match only the exact configured context path, not its subpaths. Unauthenticated requests to subpaths such as /api/_route_ or /admin/observe/info therefore reach protected business routes and management endpoints without being challenged for credentials. The /observe/info endpoint can disclose runtime metadata such as the user, working directory, home directory, process ID, JVM and operating system information. This issue affects Apache Camel: from 4.14.1 before 4.14.6, from 4.18.0 before 4.18.2. Users are recommended to upgrade to version 4.20.0, which fixes the issue. If users are on the 4.14.x LTS releases stream, they are suggested to upgrade to 4.14.6. If users are on the 4.18.x LTS releases stream, they are suggested to upgrade to 4.18.2.
Timeline
dates in UTC- 2026-04-2710:16CVE publishedNVD
- 2026-10-2319:23First public proof of conceptPoC-in-GitHub
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2026-40022?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2026-40022?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
OSV · NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 4.x | ≥ 4.19.0, < 4.20.0 | 4.20.0 | OSV |
| 4.x | ≥ 4.15.0, < 4.18.2 | 4.18.2 | NVD |
| 4.18 | ≥ 4.18.0, < 4.18.2 | 4.18.2 | OSV |
| 4.14 | ≥ 4.14.1, < 4.14.6 | 4.14.6 | NVD · OSV |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Red Hat Security Advisory: Red Hat Build of Apache Camel 4.18.1 for Spring Boot release.
Fix
- Update Apache camel to 4.20.0 · 4.18.2 · 4.14.6
- Vendor fix Red Hat Product Security RHSA-2026:17668 · 1 productBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258
Advisories and patches
- camel.apache.orgVendor Advisory
Detection
read 2026-10-23 19:25 UTC- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
Sources
- NVDCVE recordread 2026-10-23
- CISA-ADPSSVC decisionnone2026-04-27
- OpenCVESSVC decisionnone—
- CISA-ADPCVSS 3.18.22026-04-27
- CNACVSS 3.18.2read 2026-10-23
- CNAweakness (CWE)CWE-288, CWE-551read 2026-10-23
- FIRST EPSSEPSS score1.0 %2026-10-23
- PoC-in-GitHubproof of concept1read 2026-10-23
- OSVaffected packages—
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- Published
- 2026-04-27
- Last Modified
- 2026-07-15
- NVD status
- Modified
Frequently asked questions
What is CVE-2026-40022?
Is CVE-2026-40022 actively exploited?
What is the CVSS score for CVE-2026-40022?
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.