django-haystack more_like_this Template Tag elasticsearch_backend.py _to_python eval injection

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-105315
StatePUBLISHED
AssignerVulDB
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-05 13:16:52 UTC
Updated2026-10-05 14:17:20 UTC
DescriptionA vulnerability has been found in django-haystack up to 3.3.0. Affected is the function _to_python of the file haystack/backends/elasticsearch_backend.py of the component more_like_this Template Tag Handler. Such manipulation of the argument result_class leads to improper neutralization of directives in dynamically evaluated code. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.4.0 is able to address this issue. The name of the patch is eb05f193c9771a68dcc8cfac6674a0d48a52ee9d. It is suggested to upgrade the affected component.

Risk And Classification

Primary CVSS: v4.0 2 LOW from [email protected]

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Problem Types: CWE-94 | CWE-95 | CWE-95 Improper Neutralization of Directives in Dynamically Evaluated Code | CWE-94 Code Injection

VersionSourceTypeScoreSeverityVector
4.0[email protected]Secondary2LOWCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/C...
4.0CNADECLARED5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
3.1[email protected]Secondary4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
3.1CNADECLARED4.7MEDIUMCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
3.0CNADECLARED4.7MEDIUMCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C
2.0[email protected]Secondary5.8AV:N/AC:L/Au:M/C:P/I:P/A:P
2.0CNADECLARED5.8AV:N/AC:L/Au:M/C:P/I:P/A:P/E:POC/RL:OF/RC:C

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
High
User Interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Sub Conf.
None
Sub Integrity
None
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Django-haystack affected 3.0 Not specified
CNA Na Django-haystack affected 3.1 Not specified
CNA Na Django-haystack affected 3.2 Not specified
CNA Na Django-haystack affected 3.3.0 Not specified
CNA Na Django-haystack unaffected 3.4.0 Not specified

References

ReferenceSourceLinkTags
github.com/django-haystack/django-haystack/commit/eb05f193c9771a68dcc8cf... [email protected] github.com
github.com/django-haystack/django-haystack/security/advisories/GHSA-r3hx... [email protected] github.com
github.com/django-haystack/django-haystack [email protected] github.com
vuldb.com/submit/978642 [email protected] vuldb.com
vuldb.com/vuln/413523 [email protected] vuldb.com
github.com/django-haystack/django-haystack/releases/tag/v3.4.0 [email protected] github.com
vuldb.com/vuln/413523/cti [email protected] vuldb.com
vuldb.com/cve/CVE-2026-105315 [email protected] vuldb.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Mohammedix88 (VulDB User) (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-10-05T00:00:00.000ZAdvisory disclosed
CNA2026-10-05T02:00:00.000ZVulDB entry created
CNA2026-10-05T09:38:38.000ZVulDB entry last update

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