CVE-2026-85296: Exposure of Data Element to Wrong Session vulnerability in Apache Camel AS2 component
CVE-2026-85296 key facts
- CISA KEV
- Not listed (catalogue checked )
- Highest advisory rating
- Medium
- CVSS base score
- 6.5 (Apache), 6.5 (Red Hat)
- Weakness
- CWE-488
- 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-2026-85296; each belongs to its advisory, not to every product listed. How records are collected and checked.
How do I fix CVE-2026-85296?
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-2026-85296
Apache
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-85296] Exposure of Data Element to Wrong Session vulnerability in Apache Camel AS2 component
CVE-2026-85296Source published Source updated
Exposure of Data Element to Wrong Session vulnerability in Apache Camel AS2 component. This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1. Signing material belonging to an individual request was stored in state that is shared across requests rather than confined to the request being processed. Where a deployment serves more than one trading partner, concurrent or successive requests could therefore observe each other's material, and a Message Disposition Notification could be signed with the key of a partner other than the one the receipt was for. The result is cross-partner key confusion: a receipt attributable to the wrong partner, and one partner's signing material used while handling another partner's exchange. AS2 deployments are typically…
- Affected products in this advisory
- Apache Camel AS2
- 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, run a separate Camel context per trading partner so that no signing material is shared between them.
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-85296] Information disclosure via shared request signing state
CVE-2026-85296Source published Source updated
Information disclosure via shared request signing state. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-488. 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
- < 4.22.1
- 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
CVE-2026-80344Oct 19, 2026Server-Side Request Forgery (SSRF) vulnerability in Apache Camel AS2 componentCVE-2026-86336Nov 10, 2026Apache TomEE running on JDK 21 or later skips EJB method authorization checksCVE-2026-86531Nov 10, 2026The embedded OpenEJB HTTP server does not limit the size of incoming request bodiesCVE-2026-87758Nov 10, 2026The remote EJB client does not verifyCVE-2026-97849Nov 10, 2026The embedded Derby network service ignores its configured bind address and listens on allCVE-2026-97867Nov 10, 2026The EJBd remote protocol returns datasource connection details, including database
Get an email when Apache publishes the next one.
See Apache's last 90 days of advisories first. Then choose one product with live alerts free for life, or a free month of real-time alerts on everything with the severity, the fixed version and the vendor's link (card needed, then US$15/month; we email you before the first charge).
iPhone and Android apps · New on the App Store
Get alerts for new CVEs on your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 34 official vendor sources and 160+ reviewed platform categories.
