CVE-2026-85243: Improper Validation of Integrity Check Value vulnerability in Apache Camel Crypto PGP component
CVE-2026-85243 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Medium
- CVSS base score
- 5.9 (Apache), 5.9 (Red Hat)
- Weakness
- CWE-354
- Fixed releases
- Apache: 4.18.5, 4.22.1
- Red Hat: 4.23.0, 4.18, 4.18.5, 4.22, 4.22.1
- Listed by VulniPulse
- Record changed
Ratings, versions and fixes are quoted from the vendor advisories that cover only CVE-2026-85243; each belongs to its advisory, not to every product listed. How records are collected and checked.
How do I fix CVE-2026-85243?
Upgrade to a fixed release named by the vendor:
- Apache: 4.18.5, 4.22.1
- Red Hat: 4.23.0, 4.18, 4.18.5, 4.22, 4.22.1
- Upgrade to Apache Camel 4.23.0, which fixes the issue. (Apache)
- Users on the 4.18.x LTS releases stream should upgrade to 4.18.5. (Apache)
Vendor advisories for CVE-2026-85243
Apache
1 advisory- Advisory severityMedium5.9
Medium [CVE-2026-85243] Improper Validation of Integrity Check Value vulnerability in Apache Camel Crypto PGP component
CVE-2026-85243Source published Source updated
Improper Validation of Integrity Check Value vulnerability in Apache Camel Crypto PGP component. This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1. unmarshal() verified the modification detection code only when the message was an OpenPGP symmetrically encrypted integrity protected data packet. The older symmetrically encrypted data packet carries no such code, and OpenPGP's CFB mode is malleable without one, so a message using that packet skipped the check altogether. The packet type is chosen by whoever produced the message, which left the sender - or anyone able to rewrite the message in transit - deciding whether the integrity check applied at all. The existing integrity option governs marshalling only and had no decrypt-side counterpart, so a…
- Affected products in this advisory
- Apache Camel Crypto
- Source-reported affected versions
- 4.0.0 before 4.18.5
- 4.19.0 before 4.22.1
- Source-reported fixed versions
- 4.18.5
- 4.22.1
- Mitigation guidance
- Upgrade to Apache Camel 4.23.0, which fixes the issue.
- Users on the 4.18.x LTS releases stream should upgrade to 4.18.5.
- Users on the 4.22.x LTS releases stream should upgrade to 4.22.1.
- For deployments that cannot upgrade immediately, reject messages that do not use the integrity protected packet before they reach the data format.
Red Hat
1 advisory- Advisory severityMedium5.9
Medium [CVE-2026-85243] Message tampering via missing integrity check enforcement
CVE-2026-85243Source published Source updated
Message tampering via missing integrity check enforcement. Red Hat rates this moderate (CVSS 5.9). Weakness: CWE-354. Affected products named by the advisory: Red Hat build of Apache Camel 4 for Quarkus 3; Red Hat build of Apache Camel for Spring Boot 4; Red Hat Fuse 7.
- Related products — impact not confirmed
- Red Hat build of Apache Camel 4 for Quarkus 3
- Red Hat build of Apache Camel for Spring Boot 4
- Red Hat Fuse 7
- Source-reported affected versions
- < 4.0.0
- < 4.18.5
- < 4.19.0
- < 4.22.1
- Source-reported fixed versions
- 4.23.0
- 4.18
- 4.18.5
- 4.22
1 more entries in the full advisory.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
References
More Apache advisories
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