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.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00478.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
a2aproject a2a-rs affected
Version Status Constraints
0.4.0 affected —
0.4.1 affected —
0.4.2 affected —
0.4.3 affected —

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Project Subscriptions

Vendors Products
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Wed, 21 Oct 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 22:15:00 +0000

Type Values Removed Values Added
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.
Title a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery
First Time appeared A2aproject
A2aproject a2a-rs
Weaknesses CWE-918
CPEs cpe:2.3:a:a2aproject:a2a-rs:*:*:*:*:*:*:*:*
Vendors & Products A2aproject
A2aproject a2a-rs
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C'}

cvssV3_1

{'score': 7.3, 'vector': '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'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-21T15:51:31.062Z

Reserved: 2026-10-20T15:57:11.575Z

Link: CVE-2026-113704

cve-icon Vulnrichment

Updated: 2026-10-21T14:40:31.617Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T22:19:29.230

Modified: 2026-10-21T16:17:24.723

Link: CVE-2026-113704

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-21T15:30:10Z

Weaknesses