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TI-2026-11409 Aliases CVE-2026-13483GHSA-v4h4-747p-qjgx

arc53 DocsGPT Credential Storage encryption.py encrypt_credentials data authenticity

Priority MEDIUM 45CWE-345Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
High
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-345.

Summary

A flaw has been found in arc53 DocsGPT up to 0.18.0. The affected element is the function encrypt_credentials of the file application/security/encryption.py of the component Credential Storage. This manipulation causes insufficient verification of data authenticity. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00128 2nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
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
arc53DocsGPT0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18.0—No fix listedCNA
  • DocsGPT Vendorarc53 Affected 0.1; 0.2; 0.3; 0.4; 0.5; 0.6; 0.7; 0.8; 0.9; 0.10; 0.11; 0.12; 0.13; 0.14; 0.15; 0.16; 0.17; 0.18.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:arc53:docsgpt:*:*:*:*:*:*:*:*——arc53
  • cpe:2.3:a:arc53:docsgpt:*:*:*:*:*:*:*:* Versions — — ·arc53

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13483
  2. 2026-10-03 Alias added: GHSA-v4h4-747p-qjgx

References

Exploit 1

Patch 1

Other 1

  • TI-2026-21029 Unauthenticated RCE in DocsGPT MCP STDIO Configuration CVSS 4.0CRITICAL 10.0
  • TI-2025-00736 Remote Code Execution in DocsGPT CVSS 4.0CRITICAL 9.3
  • TI-2024-20815 Limited file write in routes.py (GHSL-2023-250) CVSS 3.1MEDIUM 5.3
  • TI-2026-61924 DocsGPT through 0.20.0 OAuth Token Disclosure via Wildcard postMessage CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences