Vulnerability in Esengine Deepseek-Reasonix
CVE-2026-123653
A security vulnerability has been detected in esengine DeepSeek-Reasonix up to 2.52.0. Affected is the function discoverDocs of the file internal/memory/doc.go. The manipulation leads to improper neutralization of input used for llm prompting. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.53.0 is able to address this issue. The identifier of the patch is 4ca33493a673c2788aa8598fbca2b2f47a69e1b8. It is suggested to upgrade the affected component.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Esengine Deepseek-Reasonix — versions 2.0, 2.1, 2.10
Weakness classification (CWE)
References
- github.com/esengine/DeepSeek-Reasonix/ (product)
- github.com/esengine/DeepSeek-Reasonix/commit/4ca33493a673c2788aa8598fbca2b2f47a… (patch)
- github.com/esengine/DeepSeek-Reasonix/issues/13061 (issue-tracking)
- github.com/esengine/DeepSeek-Reasonix/releases/tag/v2.53.0 (patch)
- github.com/esengine/DeepSeek-Reasonix/security/advisories/GHSA-7v48-x992-r5w7 (related)
- github.com/ybyu-ieu/agent-security-advisories/blob/main/deepseek-reasonix/deeps… (exploit)
- CVE-2026-123653 | CVE Analysis and Report (third-party-advisory)
- Submit #1033134 | esengine DeepSeek-Reasonix 1.17.8 CWE-1427 Improper Neutralization of Input Used for LLM Prompting (third-party-advisory)
- VDB-431772 | esengine DeepSeek-Reasonix doc.go discoverDocs llm prompting input (technical-description, vdb-entry)
- VDB-431772 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-123653?
- CVE-2026-123653 is a medium-severity vulnerability in Esengine Deepseek-Reasonix, classified under CWE-349. CVSS score: 6.3/10. Published 2026-11-06.
- How severe is CVE-2026-123653?
- Medium severity. CVSS v3 base score is 6.3 out of 10.