CVE-2025-6518

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Source

https://cve.org/CVERecord?id=CVE-2025-6518

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6518.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-6518

Aliases

Published

2025-06-23T19:00:11Z

Modified

2026-10-21T02:54:14Z

Severity

2.1 (Low) CVSS_V4 - 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 CVSS Calculator

Summary

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

Details

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.

Database specific

{
    "cna_assigner":  "VulDB",
    "cwe_ids":  [
        "CWE-1336",
        "CWE-791"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/6xxx/CVE-2025-6518.json"
}

References

Affected packages

Git / github.com/pyspur-dev/pyspur

Affected ranges

Type

GIT

Repo

https://github.com/pyspur-dev/pyspur

Events

Introduced

5fbd48fd0f7c9fd28495ffc3f087b72bb57f3c82

Last Affected

d125f5307921f0dc00e8bea452776aeaf7df9b0a

Database specific

Show details

{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "0.1.0"
                },
                {
                    "last_affected":  "0.1.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.1"
                },
                {
                    "last_affected":  "0.1.1"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.2"
                },
                {
                    "last_affected":  "0.1.2"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.3"
                },
                {
                    "last_affected":  "0.1.3"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.4"
                },
                {
                    "last_affected":  "0.1.4"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.5"
                },
                {
                    "last_affected":  "0.1.5"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.6"
                },
                {
                    "last_affected":  "0.1.6"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.7"
                },
                {
                    "last_affected":  "0.1.7"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.8"
                },
                {
                    "last_affected":  "0.1.8"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.9"
                },
                {
                    "last_affected":  "0.1.9"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.10"
                },
                {
                    "last_affected":  "0.1.10"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.11"
                },
                {
                    "last_affected":  "0.1.11"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.12"
                },
                {
                    "last_affected":  "0.1.12"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.13"
                },
                {
                    "last_affected":  "0.1.13"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.14"
                },
                {
                    "last_affected":  "0.1.14"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.15"
                },
                {
                    "last_affected":  "0.1.15"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.16"
                },
                {
                    "last_affected":  "0.1.16"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.17"
                },
                {
                    "last_affected":  "0.1.17"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0.1.18"
                },
                {
                    "last_affected":  "0.1.18"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StandaloneSingleVersion"
        },
        {
            "range":  [
                {
                    "introduced":  "0"
                },
                {
                    "last_affected":  "0.1.18"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}

Affected versions

0.*

0.1.0

0.1.1

0.1.10

0.1.11

0.1.12

0.1.13

0.1.14

0.1.15

0.1.16

0.1.17

0.1.18

0.1.2

0.1.3

0.1.4

0.1.5

0.1.6

0.1.7

0.1.8

0.1.9

v0.*

v0.1.0

v0.1.1

v0.1.10

v0.1.11

v0.1.12

v0.1.13

v0.1.14

v0.1.15

v0.1.16

v0.1.17

v0.1.18

v0.1.2

v0.1.3

v0.1.4

v0.1.5

v0.1.6

v0.1.7

v0.1.8

v0.1.9

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-6518.json"