CVE-2026-85314
Apache Camel: Camel-Mail Header Injection via Unfiltered mail.smtp Headers in the MimeMultipart Data Format (Incomplete Fix of CVE-2026-46584)
02 Description
Apache Camel: Camel-Mail Header Injection via Unfiltered mail.smtp Headers in the MimeMultipart Data Format (Incomplete Fix of CVE-2026-46584)
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 20.0% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Awaiting Analysis. NVD last modified this record on 2026-10-19.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-19 10:41Z10 DAYS AGO
- Last updated
- 2026-10-19 14:32Z9 DAYS AGO
- Reserved
- 2026-09-03
- Assigning CNA
- apache
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 6.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.2
- Document digest
- b6acc15fee1b2478b8e1801b17437c9a3504d7179c238bb0f1d3cbf4d017d4e4
05 Affected products
06 References
- camel.apache.orgApache Camel Security Advisory - CVE-2026-85314https://camel.apache.org/security/CVE-2026-85314.html
- issues.apache.orgCAMEL-24419https://issues.apache.org/jira/browse/CAMEL-24419
- github.comFix on main, released in 4.23.0 (commit c2bcb24814a806ced928e612ce5da1a6e3658234)https://github.com/apache/camel/pull/25568
- github.comBackport to camel-4.22.x, released in 4.22.1 (commit 451d3037ee60544cb2158675959416fec5cc5745)https://github.com/apache/camel/pull/25765
- github.comBackport to camel-4.18.x, released in 4.18.5 (commit e25a496381c1330aea16f26136ce02bb818ccccb)https://github.com/apache/camel/pull/25766
07 Remediation
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. The MimeMultipart data format now applies the header filter on unmarshal, closing the path CVE-2026-46584 left open.