CVE-2026-80344 Apache Camel AS2 - Server-Side Request Forgery

Apache Camel AS2 component 4.0.0 < 4.18.5 and 4.19.0 < 4.22.1 contains a server-side request forgery caused by unconstrained asynchronous MDN destination address from inbound messages, letting remote attackers make the server connect to attacker-chosen hosts, exploit requires attacker to send crafted AS2 messages.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
Proof of concept available
Authentication
Not required
View the NVD record ↗

Details

Type
Server-Side Request Forgery
Impact
Server Side Request Forgery, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Published
19 October 2026
Updated
20 October 2026
Weakness
CWE-918

Vendor fix

Upgrade to Apache Camel 4.23.0, or 4.18.5 for 4.18.x LTS, or 4.22.1 for 4.22.x LTS releases.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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