What’s Vulnerable › Vulnerabilities

CVE-2026-113704: a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-20 · updated 2026-10-21
• Weakness: CWE-918

Description

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.

Affected products

• a2aproject a2a-rs: 0.4.0, 0.4.1, 0.4.2, 0.4.3

References

• https://github.com/a2aproject/a2a-rs/
• https://github.com/a2aproject/a2a-rs/commit/2ba50176ea9f222d9a7d0f0e8cfe6fae7cf4c224
• https://github.com/a2aproject/a2a-rs/pull/124
• https://vuldb.com/cve/CVE-2026-113704
• https://vuldb.com/submit/1014883
• https://vuldb.com/vuln/422865
• https://vuldb.com/vuln/422865/cti

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