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Missing authentication in Network-AI A2AServer task operations

Priority HIGH 70CWE-306Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
Low · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-306.

Summary

Jovancoding Network-AI from 5.14.0 before 5.15.5 is affected. The A2AServer class lacks authentication for its task operations (CWE-306) when no secret is configured. An unauthenticated remote attacker can execute tasks, read their results and cancel them without a Bearer token.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

Network-AI from 5.14.0 before 5.15.5 contains a missing authentication vulnerability in the A2AServer class that allows unauthenticated attackers to access task operations when no secret is configured. Attackers can send JSON-RPC requests to tasks/send, tasks/get, and tasks/cancel without a Bearer token to execute tasks, read results, and cancel tasks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0036 30th percentileScored 2026-11-07
Fix Fixed Network-AI (Jovancoding): 5.15.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
JovancodingNetwork-AI5.14.0 to before 5.15.55.15.5Patch availableCNA
  • Network-AI VendorJovancoding Affected 5.14.0 to before 5.15.5 Fixed in 5.15.5 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:network-ai:network-ai:*:*:*:*:*:*:*:*——Jovancoding
  • cpe:2.3:a:network-ai:network-ai:*:*:*:*:*:*:*:* Versions — — ·Jovancoding

Remediation

Update Network-AI to 5.15.5, the fixed version.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

  • Fix · CNA Network-AI (Jovancoding) Fixed in 5.15.5

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Jovancoding Network-AI 5.15.5

    4 records Highest priority Priority HIGH 3 HIGH, 1 MEDIUM

    Other records, highest priority first

    • TI-2026-83679 Path traversal in Network-AI sanitizer exposes files outside sandboxPriority HIGH 77
    • TI-2026-83677 Path traversal in Network-AI FileJobStore lets attackers read or delete filesPriority HIGH 73
    • TI-2026-83678 Path traversal in Network-AI AgentVCR lets attackers read and write JSON filesPriority MEDIUM 40

Timeline

  1. 2026-11-02 Threatist record created from CVE-2026-120314
  2. 2026-11-02 Alias added: GHSA-vw9p-p26h-v56v
  3. 2026-11-04 Priority changed: MEDIUM → LOW
  4. 2026-11-05 CISA SSVC decision points changed
  5. 2026-11-05 Priority changed: LOW → HIGH

References

  • TI-2026-46183 Network-AI 5.12.2 through 5.13.3 Missing Authorization via ApprovalInbox CVSS 4.0CRITICAL 9.3
  • TI-2026-36083 Network-AI: Empty default secret still authorizes all requests (Incomplete fix for CVE-2026-46701) CVSS 3.1CRITICAL 9.1
  • TI-2026-83679 Path traversal in Network-AI sanitizer exposes files outside sandbox CVSS 4.0HIGH 8.7
  • TI-2026-46184 Network-AI before 5.13.4 Cryptographic Signature Verification Bypass CVSS 4.0HIGH 8.8
  • TI-2026-38985 Network-AI has an an OS Command Injection issue CVSS 3.1CRITICAL 9.9
  • TI-2026-83677 Path traversal in Network-AI FileJobStore lets attackers read or delete files CVSS 4.0HIGH 8.7
See all 19 →

Sources