CVE-2026-85245
published 2026-10-19CVE-2026-85245: Exposure of Data Element to Wrong Session vulnerability in Apache Camel Thrift component. This issue affects Apache Camel: from 4.0.0 before 4.18.5, from…
PriorityP335medium5.9CVSS 3.1
AVNACHPRNUINSUCHINAN
EPSS
0.45%
38.3th percentile
Exposure of Data Element to Wrong Session vulnerability in Apache Camel Thrift component.
This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1.
The Thrift data format unmarshalled incoming data into the shared defaultInstance of the target type rather than into a fresh copy, and returned that shared object as the exchange body. Because the instance is shared process-wide, state written while unmarshalling one message stayed on the object and was visible to every later message that used the same type. Fields absent from a later payload retained the previous message's values, so content belonging to one sender could be read while processing another sender's message, and concurrent exchanges could observe each other's partially written state. In a deployment that serves more than one tenant or user through the same route, that is disclosure of one party's data to another.
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. Unmarshalling now deserializes into a copy, so each exchange gets its own instance and no state carries between messages. For deployments that cannot upgrade immediately, copy the unmarshalled body into a new instance immediately after the data format runs, and do not retain references to the returned object.
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apache_software_foundation | apache_camel | >= 4.0.0 < 4.18.5 | 4.18.5 |
| apache_software_foundation | apache_camel | >= 4.19.0 < 4.22.1 | 4.22.1 |
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GHSA
Exposure of Data Element to Wrong Session vulnerability in Apache Camel Thrift component.
ghsa_unreviewed·2026-10-19
CVE-2026-85245 [MEDIUM] CWE-488 Exposure of Data Element to Wrong Session vulnerability in Apache Camel Thrift component.
Exposure of Data Element to Wrong Session vulnerability in Apache Camel Thrift component.
This issue affects Apache Camel: from 4.0.0 before 4.18.5, from 4.19.0 before 4.22.1.
The Thrift data format unmarshalled incoming data into the shared defaultInstance of the target type rather than into a fresh copy, and returned that shared object as the exchange body. Because the instance is shared process-wide, state written while unmarshalling one message stayed on the object and was visible to every later message that used the same type. Fields absent from a later payload retained the previous message's values, so content belonging to one sender could be read while processing another sender's message, and concurrent exchanges could observe each other's partially written state. In a deployment
VulDB
Apache Camel Thrift information disclosure (WID-SEC-2026-4006)
vuldb·2026-10-17
CVE-2026-85245 [LOW] Apache Camel Thrift information disclosure (WID-SEC-2026-4006)
A vulnerability labeled as problematic has been found in Apache Camel. The impacted element is an unknown function of the component Thrift. Executing a manipulation can lead to information disclosure.
This vulnerability appears as CVE-2026-85245. The attack may be performed from remote. There is no available exploit.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-10-19
Published