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  4. CVE 2026 113706 a2aproject a2a rs inmemoryrs information
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Back to active CVEs
Medium · CVSS 5.1CVE-2026-113706

a2aproject a2a-rs inmemory.rs information disclosureCVE-2026-113706

Answer in brief

CVE-2026-113706 records a Medium severity (CVSS 5.1) vulnerability in a2aproject a2a-rs inmemory.rs information disclosure. 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 21, 2026Material review Oct 20, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 5.1
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 5.1. 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 21, 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 was identified in a2aproject a2a-rs up to 0.4.3. Impacted is an unknown function of the file a2a-server/src/task_store/inmemory.rs. The manipulation of the argument historyLength leads to information disclosure. The attack is possible to be carried out remotely. The identifier of the patch is 68f1b7e772ae5d6c9e581ac9b48bcddd10fe70eb. To fix this issue, it is recommended to deploy a patch.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • Cisco Unified Communications Products Hardening Release: October 2026 - Improper Access Control VulnerabilitiesAlso CWE-284

Record context

Vulnerability class
Arbitrary File Read
EPSS
Not reported
CWE IDs
CWE-200, CWE-284
Source
CVE List V5
Source checked
Oct 21, 2026
References
7 linked sources
Open source record