CVE-2026-113704

HIGH 7.3

a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery

CVSS Score

7.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-918
Vendor	a2aproject
Product	a2a-rs
Published	Oct 20, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

a2aproject / a2a-rs

0.4.0 0.4.1 0.4.2 0.4.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/422865 vuldb.com: https://vuldb.com/vuln/422865/cti vuldb.com: https://vuldb.com/cve/CVE-2026-113704 vuldb.com: 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/

Credits

🔍 colorfullbz (VulDB User)