A vulnerability has been found in a2aproject a2a-rs up to 0.4.3. This affects the function HttpPushSender of the file crates/server/src/push_notification_sender.rs of the component Push Notification Handler. Such manipulation of the argument TaskPushNotificationConfig leads to server-side request forgery. The attack may be launched remotely. The name of the patch is 2ba50176ea9f222d9a7d0f0e8cfe6fae7cf4c224. Applying a patch is advised to resolve this issue.
PUBLISHED5.2ApplicationCWE-918x_open-source
a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery
Problem type
Affected products
a2aproject
a2a-rs
0.4.0 - AFFECTED
0.4.1 - AFFECTED
0.4.2 - AFFECTED
0.4.3 - AFFECTED
References
VDB-422865 | a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery
https://vuldb.com/vuln/422865
VDB-422865 | CTI Indicators (IOB, IOC, IOA)
https://vuldb.com/vuln/422865/cti
CVE-2026-113704 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-113704
Submit #1014883 | a2aproject a2a-rs a2a-server-lf ≤ 0.4.3 SSRF
https://vuldb.com/submit/1014883
github.com
https://github.com/a2aproject/a2a-rs/pull/124
github.com
https://github.com/a2aproject/a2a-rs/commit/2ba50176ea9f222d9a7d0f0e8cfe6fae7cf4c224
github.com
https://github.com/a2aproject/a2a-rs/
JSON source
https://cveawg.mitre.org/api/cve/CVE-2026-113704Click to expand
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