Relative Path Traversal Vulnerability in Apache Camel Azure Storage Blob
CVE-2026-66906

9.1CRITICAL

Key Information:

Vendor

Apache
Status
Apache Camel
Vendor
CVE Published:
24 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-66906?

The Apache Camel Azure Storage Blob component is susceptible to a relative path traversal vulnerability, allowing unauthorized access to the local filesystem. Through its downloadBlobToFile operation, an attacker can exploit the lack of proper path validation, potentially overwriting files outside the intended directory. This occurs because the blob name, containing parent-directory segments, is concatenated with the fileDir option without any checks, enabling manipulation of file locations by influencing blob names. Users are advised to update to the latest versions to mitigate this risk and implement naming constraints for existing deployments, ensuring that only safe file names are processed.

Affected Version(s)

Apache Camel 4.0.0 < 4.14.9

Apache Camel 4.15.0 < 4.18.4

Apache Camel 4.19.0 < 4.22.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-66906
Created by oscerd

References

https://camel.apache.org/security/CVE-2026-66906.html
vendor-advisory

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Hiep Nguyen
n0mi1k
Andrea Cosentino
.