CVE-2026-85312: Improper Input Validation vulnerability in Apache Camel Core component
CVE-2026-85312 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Medium
- CVSS base score
- 4.8 (Apache), 4.8 (Red Hat)
- Weakness
- CWE-639
- 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-2026-85312; each belongs to its advisory, not to every product listed. How records are collected and checked.
How do I fix CVE-2026-85312?
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-2026-85312
Apache
1 advisory- Advisory severityMedium4.8
Medium [CVE-2026-85312] Improper Input Validation vulnerability in Apache Camel Core component
CVE-2026-85312Source published Source updated
Improper Input Validation vulnerability in Apache Camel Core component. This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1. The saga processor consulted a header named Long-Running-Action to decide which saga an exchange belonged to. The name carries no Camel prefix, so it sits outside the namespace that consumer header filters block, and an external sender could supply it on an inbound message. That let the sender name the saga the exchange joined, attaching their request to a long-running action started by someone else, or causing compensation to be associated with an action they did not initiate. The header is only consulted by a saga service that uses it, which bounds the exposure to deployments running sagas over an LRA coordinator. Upgrade to…
- Affected products in this advisory
- Apache Camel Core
- 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, strip the header at the trust boundary with removeHeaders("Long-Running-Action") on every consumer that accepts messages from an untrusted sender.
- Workarounds
- The name carries no Camel prefix, so it sits outside the namespace that consumer header filters block, and an external sender could supply it on an inbound message.
Red Hat
1 advisory- Advisory severityMedium4.8
Medium [CVE-2026-85312] Unauthorized transaction association via unfiltered message header
CVE-2026-85312Source published Source updated
Unauthorized transaction association via unfiltered message header. Red Hat rates this moderate (CVSS 4.8). Weakness: CWE-639. Affected products named by the advisory: 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 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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