Riskcovery

CVE-2025-6518

PySpur-Dev pyspur Jinja2 Template single_llm_call.py SingleLLMCallNode special elements used in a template engine

State
Published
Severity
5.3 Medium
Published
Jun 23, 2025
Updated
Jun 23, 2025
Reserved
Jun 23, 2025

Read the record on cve.org

Description

A vulnerability was found in PySpur-Dev pyspur up to 0.1.18. It has been classified as critical. Affected is the function SingleLLMCallNode of the file backend/pyspur/nodes/llm/single_llm_call.py of the component Jinja2 Template Handler. The manipulation of the argument user_message leads to improper neutralization of special elements used in a template engine. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Scores

CVSSScoreVectorSource
4.05.3 MediumCVSS: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:PVulDB
3.16.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RVulDB
3.06.3 MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:RVulDB
2.06.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:URVulDB

Weaknesses

  • CWE-1336 Improper Neutralization of Special Elements Used in a Template Engine
  • CWE-791 Incomplete Filtering of Special Elements

Affected Products

ProductVersions
pyspurPySpur-Dev
  • 0.1.0Affected
  • 0.1.1Affected
  • 0.1.2Affected
  • 0.1.3Affected
  • 0.1.4Affected
  • 0.1.5Affected
  • 0.1.6Affected
  • 0.1.7Affected
  • 0.1.8Affected
  • 0.1.9Affected
  • 0.1.10Affected
  • 0.1.11Affected
  • 0.1.12Affected
  • 0.1.13Affected
  • 0.1.14Affected
  • 0.1.15Affected
  • 0.1.16Affected
  • 0.1.17Affected
  • 0.1.18Affected

References

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