High severity · published Oct 20, 2026
CVE-2026-113704
a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery
7.3
CVSS
0.5%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
A2
a2a-rs · a2aproject
0.4.0; 0.4.1; 0.4.2; 0.4.3 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113704
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113704
github.com
https://github.com/a2aproject/a2a-rs/
github.com
https://github.com/a2aproject/a2a-rs/commit/2ba50176ea9f222d9a7d0f0e8cfe6fae7cf4c224
github.com
https://github.com/a2aproject/a2a-rs/pull/124
vuldb.com
https://vuldb.com/cve/CVE-2026-113704
vuldb.com
https://vuldb.com/submit/1014883
vuldb.com
https://vuldb.com/vuln/422865
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