Security readout for executives and security teams
Plain-English summary
Apache Camel Mina can deserialize untrusted Java objects received over TCP or UDP in certain routes. If an affected application exposes a MINA consumer and converts incoming data to ObjectInput, an attacker could execute code inside that application. This is high risk for internet- or partner-facing integrations.
Executive priority
Prioritize remediation for externally reachable or partner-facing Camel integrations. This is a high-severity remote code execution risk, but urgency depends on whether affected MINA routes and ObjectInput conversion are present.
Technical view
The camel-mina MinaConverter.toObjectInput(IoBuffer) creates ObjectInputStream without ObjectInputFilter or class-loading restrictions. Routes using camel-mina consumers and ObjectInput conversion may trigger unsafe readObject() deserialization. Affected ranges are 3.0.0 before 4.14.6, 4.15.0 before 4.18.2, and 4.19.0 before 4.20.0.
Likely exposure
Exposure is likely limited to Java applications using org.apache.camel:camel-mina as a TCP or UDP consumer and requesting ObjectInput conversion. Systems not using camel-mina, not exposing MINA consumer ports, or not converting to ObjectInput are less likely affected.
Exploitation context
The source bundle does not show known active exploitation, and KEV is false. The vulnerability is network-reachable in affected route designs, has low attack complexity, requires no user interaction, and can impact confidentiality, integrity, and availability.
Researcher notes
This is CWE-502 unsafe deserialization. The key condition is the combination of camel-mina consumer input and conversion to ObjectInput. Public sources identify fixed versions but do not provide evidence of exploitation in the supplied bundle.
Mitigation direction
- Upgrade Apache Camel to 4.20.0 where possible.
- Use 4.14.6 for the 4.14.x LTS stream.
- Use 4.18.2 for the 4.18.x release stream.
- Restrict access to MINA TCP or UDP consumer ports while upgrading.
- Avoid ObjectInput conversion for untrusted MINA traffic.
- Check Apache and Red Hat guidance for downstream package status.
Validation and detection
- Inventory dependencies for org.apache.camel:camel-mina and affected Camel versions.
- Review routes using camel-mina TCP or UDP consumers.
- Search code for getBody(ObjectInput.class) and @Body ObjectInput usage.
- Verify runtime artifacts include the upgraded Camel version.
- Confirm exposed MINA ports are firewall-restricted or removed.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-502: Code execution behavior lookup
Code execution and unsafe deserialization weaknesses often justify reviewing execution behavior and process telemetry. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2026-40473 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
2 official scoresWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H2.85.9redhat-SADPVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- ADP timelineredhat-SADP
Made public.
- CVE publishedCVE Program
The CVE record was published.
- ADP timelineredhat-SADP
Reported to Red Hat.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
- 2026-04-27T10:01:38.722Z: Reported to Red Hat.
- 2026-04-27T07:51:59.134Z: Made public.
Source materials
- CVE List V5 sourceCVE List V5
- https://camel.apache.org/security/CVE-2026-40473.htmlCVE reference, apache · vendor-advisory
- https://access.redhat.com/security/cve/CVE-2026-40473CVE reference, redhat-SADP · vdb-entry, x_refsource_REDHAT
- RHBZ#2463180CVE reference, redhat-SADP · issue-tracking, x_refsource_REDHAT
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40473.jsonCVE reference, redhat-SADP · x_sadp-csaf-vex
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.