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CVE-2026-13483 arc53 CVE debrief

CVE-2026-13483 is a vulnerability in arc53 DocsGPT versions up to 0.18.0. The issue lies in the encrypt_credentials function within the application/security/encryption.py file, which is part of the Credential Storage component. This vulnerability leads to insufficient verification of data authenticity. An attacker can initiate the attack remotely, but the complexity of the attack is high and its exploitability is described as difficult. The exploit for this vulnerability has been published and may be used. A pull request to fix this issue is pending acceptance. Due to limited information, defenders should verify the affected scope, monitor for potential exploitation attempts, and track exceptions related to credential storage and data authenticity.

Vendor
arc53
Product
DocsGPT
CVSS
LOW 1.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-28
Original CVE updated
2026-06-28
Advisory published
2026-06-28
Advisory updated
2026-06-28

Who should care

Defenders of systems using arc53 DocsGPT up to version 0.18.0 should be aware of this vulnerability. Given the remote attack vector and potential for data manipulation, organizations with high-security requirements or those handling sensitive data in DocsGPT should prioritize patching. Security teams should inventory their deployments, monitor for suspicious activity related to credential storage, and prepare for potential compensating controls if a patch is not immediately available.

Technical summary

The CVE-2026-13483 vulnerability affects arc53 DocsGPT versions up to 0.18.0. It is caused by insufficient verification of data authenticity in the encrypt_credentials function of the application/security/encryption.py file. This issue allows remote attackers to manipulate credentials. The vulnerability has a CVSS score of 1.3 and is classified as LOW severity. The attack complexity is high, and exploitability is difficult. The exploit has been published, increasing the urgency for patching. However, specific details about the exploit's functionality or impact are limited.

Defensive priority

Given the low CVSS score and high complexity of exploitation, this vulnerability may not be a top priority for all organizations. However, defenders should be aware of the potential risk, especially if they handle sensitive data in DocsGPT. Monitoring and inventory checks are recommended while awaiting a patch.

Recommended defensive actions

  • Inventory DocsGPT deployments to identify potentially affected systems.
  • Monitor for suspicious activity related to credential storage and data authenticity in DocsGPT.
  • Track exceptions related to encryption and data manipulation in DocsGPT.
  • Consider compensating controls for data authenticity and integrity in DocsGPT if a patch is not available.
  • Prioritize patching for high-security environments or those handling sensitive data in DocsGPT.

Evidence notes

The CVE-2026-13483 vulnerability information comes from the NVD and Vuldb sources. The CVE record and NVD detail provide official information about the vulnerability. However, specific details about affected configurations, additional references, or exploit functionality are limited. Further investigation by defenders may be necessary to fully understand the impact and required mitigations.

Official resources

This article is AI-assisted and based on the supplied source corpus. It is intended for informational purposes only and does not constitute professional advice.