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01 Record

CVE-2026-40453

Apache Camel JMS, Apache Camel CoAP, Apache Camel Google PubSub: Incomplete fix for CVE-2025-27636 in non-HTTP HeaderFilterStrategies (camel-jms, camel-sjms, camel-coap, camel-google-pubsub) allows case-variant header injection

CriticalPUBLISHEDCNA: apache
CNA base score9.9 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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02 Description

Apache Camel JMS, Apache Camel CoAP, Apache Camel Google PubSub: Incomplete fix for CVE-2025-27636 in non-HTTP HeaderFilterStrategies (camel-jms, camel-sjms, camel-coap, camel-google-pubsub) allows case-variant header injection

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.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
2.10% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 81.6% of scored records. A rank, not a probability.
NVD base score
9.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-10-26.
Red Hat severity
Critical. Red Hat's rating for its own products, not a CVSS rating.

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
2026-04-27 08:23Z6 MO AGO
Last updated
2026-07-15 01:01Z3 MO AGO
Reserved
2026-04-13
Assigning CNA
apache
Record state
PUBLISHED
Severity
Critical (CVSS 9.9)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-178Improper Handling of Case SensitivityBase
Data version
5.2
Document digest
964320e4e15a10c20acb4e8084acf555a25c7d3f1f800827b0b05db352e1a0ef

05 Affected products

VendorProductVersionsPlatforms
Apache Software FoundationApache Camel JMS3.0.0 to < 4.14.6, 4.15.0 to < 4.18.2, 4.19.0 to < 4.20.0—
Apache Software FoundationApache Camel CoAP3.0.0 to < 4.14.6, 4.15.0 to < 4.18.2, 4.19.0 to < 4.20.0—
Apache Software FoundationApache Camel Google PubSub3.0.0 to < 4.14.6, 4.15.0 to < 4.18.2, 4.19.0 to < 4.20.0—

06 References