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CVE-2026-49042 Apache CVE debrief

CVE-2026-49042 is an Improper Input Validation vulnerability in Apache Camel. The issue affects Apache Camel versions from 4.8.0 through 4.18.2 and from 4.19.0 through 4.20.0. Users are recommended to upgrade to version 4.18.3 or 4.21.0, which fixes the issue. This vulnerability has a CVSS score of 7.3 and a severity of HIGH. The affected product deployments should be reviewed for potential exposure.

Vendor
Apache
Product
Camel
CVSS
HIGH 7.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-07-06
Original CVE updated
2026-07-08
Advisory published
2026-07-06
Advisory updated
2026-07-08

Who should care

Users of Apache Camel versions from 4.8.0 through 4.18.2 and from 4.19.0 through 4.20.0 should be aware of this vulnerability and take action to upgrade to a fixed version. Operators, platform administrators, vulnerability management teams, and security teams should review the affected scope and take necessary actions.

Technical summary

The CVE-2026-49042 vulnerability is caused by improper input validation in Apache Camel. This vulnerability has a CVSS score of 7.3 and a severity of HIGH. The affected versions are from 4.8.0 through 4.18.2 and from 4.19.0 through 4.20.0. The fixed versions are 4.18.3 and 4.21.0. Affected systems should be upgraded to a fixed version. To address this vulnerability, operators and administrators should review the affected scope, focusing on deployments using Apache Camel versions from 4.8.0 through 4.18.2 and from 4.19.0 through 4.20.0, and take necessary actions to upgrade to version 4.18.3 or 4.21.0. It is crucial to verify the integrity of affected systems and ensure that they are properly updated, as improper input validation can lead to potential security breaches. Additionally, defenders should monitor for potential attacks and review compensating controls for exposed systems.

Defensive priority

High

Recommended defensive actions

  • Upgrade to version 4.18.3 or 4.21.0
  • Review and update affected systems
  • Monitor for potential attacks
  • Review compensating controls for exposed systems
  • Check relevant monitoring, detection, and logs for exposed assets
  • Track exceptions and retest remediated assets
  • Confirm whether affected product deployments exist in managed environments

Evidence notes

The CVE record was published on 2026-07-06T11:16:29.607Z and was last modified on 2026-07-08T14:38:10.537Z. The NVD entry is currently Analyzed. The evidence is limited, and defenders should verify the affected scope and severity with the official advisory. The CVE-2026-49042 vulnerability affects Apache Camel versions from 4.8.0 through 4.18.2 and from 4.19.0 through 4.20.0.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49042 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49042

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49042 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49042

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.