All vulnerabilities
CVE-2026-113704

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

a2aproject a2a-rs
CVSS
6.9Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.48%Chance of exploitation activity in the next 30 days, higher than 40% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
Published20 Oct 2026Updated 21 Oct 2026CVE List

What fixes it

No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.

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.

Text from CVE List

Affected versions 4

  • a2a-rsaffected: 0.4.0CVE List
  • a2a-rsaffected: 0.4.1CVE List
  • a2a-rsaffected: 0.4.2CVE List
  • a2a-rsaffected: 0.4.3CVE List

References 7