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  4. CVE 2026 113704 a2aproject a2a rs push notification
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Back to active CVEs
Medium · CVSS 6.9CVE-2026-113704

a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgeryCVE-2026-113704

Answer in brief

CVE-2026-113704 records a Medium severity (CVSS 6.9) vulnerability in a2aproject a2a-rs Push Notification push_notification_sender.rs HttpPushSender server-side request forgery. The current sources do not mark it as known exploited. The current feed maps a2aproject/a2a-rs (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 20, 2026Updated Oct 20, 2026Source checked Oct 21, 2026First seen by HOL Oct 20, 2026Material review Oct 20, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 6.9
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 6.9. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps a2aproject/a2a-rs (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
a2aproject/a2a-rsgeneric0.4.0 || 0.4.1 || 0.4.2 || 0.4.3Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for a2aproject/a2a-rs.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  2. Source modified

    Oct 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record
  3. First seen by HOL

    Oct 20, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • GitHub security advisorygithub.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
  • Source referencevuldb.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • a2aproject a2a-rs error.rs information exposureSame a2aproject/a2a-rs package

Record context

Vulnerability class
SSRF
EPSS
Not reported
CWE IDs
CWE-918
Source
CVE List V5
Source checked
Oct 21, 2026
References
7 linked sources
Open source record