CVE-2026-18632 (GCVE-0-2026-18632)

Vulnerability from cvelistv5 – Published: 2026-08-03 19:30 – Updated: 2026-08-03 21:19
VLAI
Title
langgenius dify Jinja2 jinja2_transformer.py jinja2.Template special elements used in a template engine
Summary
A security flaw has been discovered in langgenius dify up to 1.14.2. This issue affects the function jinja2.Template of the file api/core/helper/code_executor/jinja2/jinja2_transformer.py of the component Jinja2 Handler. The manipulation results in improper neutralization of special elements used in a template engine. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
5.3 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3 (Medium)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-1336 - Improper Neutralization of Special Elements Used in a Template Engine
  • CWE-791 - Incomplete Filtering of Special Elements
Assigner
References
URL Tags
https://vuldb.com/vuln/385555 vdb-entrytechnical-description
https://vuldb.com/vuln/385555/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18632 third-party-advisory
https://vuldb.com/submit/853188 third-party-advisory
https://github.com/CVE-Hunter-Leo/CVE/issues/14 exploitissue-tracking
Impacted products
Vendor Product Version
langgenius dify Affected: 1.14.0
Affected: 1.14.1
Affected: 1.14.2
    cpe:2.3:a:langgenius:dify:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
CW.Wong (VulDB User) VulDB CNA Team
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.