CVE-2026-123653
esengine DeepSeek-Reasonix doc.go discoverDocs llm prompting input
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulDBAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| DeepSeek-Reasonix esengine |
2.0 (affected) 2.1 (affected) 2.2 (affected) 2.3 (affected) 2.4 (affected) 2.5 (affected) 2.6 (affected) 2.7 (affected) 2.8 (affected) 2.9 (affected) 2.10 (affected) 2.11 (affected) 2.12 (affected) 2.13 (affected) 2.14 (affected) 2.15 (affected) 2.16 (affected) 2.17 (affected) 2.18 (affected) 2.19 (affected) 2.20 (affected) 2.21 (affected) 2.22 (affected) 2.23 (affected) 2.24 (affected) 2.25 (affected) 2.26 (affected) 2.27 (affected) 2.28 (affected) 2.29 (affected) 2.30 (affected) 2.31 (affected) 2.32 (affected) 2.33 (affected) 2.34 (affected) 2.35 (affected) 2.36 (affected) 2.37 (affected) 2.38 (affected) 2.39 (affected) 2.40 (affected) 2.41 (affected) 2.42 (affected) 2.43 (affected) 2.44 (affected) 2.45 (affected) 2.46 (affected) 2.47 (affected) 2.48 (affected) 2.49 (affected) 2.50 (affected) 2.51 (affected) 2.52.0 (affected) 2.53.0 (unaffected) |
CNA: VulDB |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 5.3 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P | CNA: VulDB |
| 3.1 / 6.3 medium |
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | CNA: VulDB |
| 3.0 / 6.3 medium |
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C | CNA: VulDB |
| 2.0 / 7.5 high |
AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C | CNA: VulDB |
Exploit evidence
References
- https://vuldb.com/vuln/431772CNA: VulDB · vdb-entry, technical-description
- https://vuldb.com/vuln/431772/ctiCNA: VulDB · signature, permissions-required
- https://vuldb.com/cve/CVE-2026-123653CNA: VulDB · third-party-advisory
- https://vuldb.com/submit/1033134CNA: VulDB · third-party-advisory
- https://github.com/esengine/DeepSeek-Reasonix/issues/13061CNA: VulDB · issue-tracking
- https://github.com/esengine/DeepSeek-Reasonix/security/advisories/GHSA-7v48-x992-r5w7CNA: VulDB · related
- https://github.com/ybyu-ieu/agent-security-advisories/blob/main/deepseek-reasonix/deepseek-reasonix-agents-md-prompt-injection-command-execution.mdCNA: VulDB · exploit
- https://github.com/esengine/DeepSeek-Reasonix/commit/4ca33493a673c2788aa8598fbca2b2f47a69e1b8CNA: VulDB · patch
- https://github.com/esengine/DeepSeek-Reasonix/releases/tag/v2.53.0CNA: VulDB · patch
- https://github.com/esengine/DeepSeek-Reasonix/CNA: VulDB · product
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