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CVE-2026-15830— Potential denial-of-service vulnerability via nested geometry collections

Quick assessment

Affected
djangoproject Django
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Django django是Django基金会开源的一个Web应用开发框架。 Django 5.2.17版本之前的5.2.x版本和6.0.8版本之前的6.0.x版本存在资源管理错误漏洞，该漏洞源于GeoDjango的GEOSGeometry在解析以WKT、WKB或十六进制编码WKB提供的深层嵌套GEOMETRYCOLLECTION对象时存在无限递归，可能导致底层GEOS库发生分段错误，从而引发拒绝服务。

CVSS 5.3 · Medium EPSS 0.76% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 4

VendorProduct Version RangeStatus
djangoproject Django 6.0< 6.0.8 affected
6.0.8 unaffected
5.2< 5.2.17 affected
5.2.17 unaffected
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I. Basic Information for CVE-2026-15830

Vulnerability Information
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Vulnerability Title
Potential denial-of-service vulnerability via nested geometry collections
Source: CVE Program / CVE List V5
Vulnerability Description
An issue was discovered in Django 5.2 before 5.2.17 and 6.0 before 6.0.8. GeoDjango's `django.contrib.gis.geos.GEOSGeometry` is subject to a potential denial-of-service when parsing deeply nested `GEOMETRYCOLLECTION` objects supplied as well-known text (WKT), well-known binary (WKB), or hex-encoded WKB, which triggers unbounded recursion and a segmentation fault in the underlying GEOS library. Spatial field lookups and the `django.contrib.gis.forms.GeometryField` form field are also affected. Earlier, unsupported Django series (such as 5.1.x, 5.0.x, and 4.2.x) were not evaluated and may also be affected. Django would like to thank Andrew MacPherson and kimchunbok_ for reporting this issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
Django 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Django django是Django基金会开源的一个Web应用开发框架。 Django 5.2.17版本之前的5.2.x版本和6.0.8版本之前的6.0.x版本存在资源管理错误漏洞，该漏洞源于GeoDjango的GEOSGeometry在解析以WKT、WKB或十六进制编码WKB提供的深层嵌套GEOMETRYCOLLECTION对象时存在无限递归，可能导致底层GEOS库发生分段错误，从而引发拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
djangoproject Django 6.0 ~ 6.0.8 -

II. Public POCs for CVE-2026-15830

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III. Intelligence Information for CVE-2026-15830

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Vendor Advisories for CVE-2026-15830 (1)

Mailing List Discussions for CVE-2026-15830 (1)

Security Blog Posts for CVE-2026-15830 (1)

Same Patch Batch · djangoproject · 2026-08-04 · 4 CVEs total

CVE-2026-15307 8.8 HIGH Server-side file-write and request forgery via spatial lookups
CVE-2026-15920 6.1 MEDIUM Potential cross-site scripting via URLField values in the admin
CVE-2026-15337 5.3 MEDIUM Potential denial-of-service vulnerability in check_for_language()

IV. Related Vulnerabilities

Same product: Django
Same vendor: djangoproject
Same weakness: CWE-674

V. Comments for CVE-2026-15830

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