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CVE-2025-14550

INDEX BUILT · 2026-09-20

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Potential denial-of-service vulnerability via repeated headers when using ASGI

CVE-2025-145504 of 4 sources documented this
5

rank 5 = 0 + 0 + 0 + 5 + 0

rank@v1 · backlog

Someone is already using it

CISA KEV catalog · public proof-of-concept · FIRST EPSS

EPSS 0.01032  ·  without this subject the record ranks 5

What it costs you if it fires

NVD CVSS base score, then the CNA's own

no CVSS held by anyone  ·  without this subject the record ranks 5

It is getting worse, not staying still

FIRST EPSS series, rescorings and bad loads removed

no persisting rise in 365 days  ·  without this subject the record ranks 5

How much of the world it touches

NVD CPE configurations

3 products in the CPE ranges  ·  without this subject the record ranks 0

Someone else already set the date

CISA KEV remediation due date

no CISA due date  ·  without this subject the record ranks 5

Hindsight · the state

0.01032EPSSNOT IN KEVas of 2026-09-20
Severitynot scored
Harmnot stated
Exploitationnone in held sources
Defensefix version namedreceipt
Movementrisenreceipt
PLATEAU10Minimal movement since 2026-02-04, 210 days at 0.01, as of 2026-09-02. arc-rules@v1

Foresight · where to check next

No weakness class or product neighbourhood is held for this record, so this index cannot name anywhere to check next. That is an absence in the record, not a finding about the software.

Color is a claim, not decoration:the hostile worldthe defenseno signal

Running djangoproject Django? Check your version

A deterministic range check against the ranges this record publishes. It tells you where a version sits in the record, not whether your deployment is exploitable. No account needed.

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Harm, if it fires from the vector and the weakness

Written for the ticket you're about to file.

ReachNo CVSS vector in held sources, so no reach or impact can be stated.
Weakness classCWE-407 Inefficient Algorithmic Complexityreceipt
Published consequencesCWE-407: Availability: DoS: Resource Consumption (CPU), DoS: Resource Consumption (Memory), DoS: Resource Consumption (Other)[email protected]

CISA KEV & Federal Remediation Deadline from the record and CISA

The fix, and how long it's been waiting.

Fixed in6.0.2; 5.2.11; 4.2.28; 3.11.1receipt
Patch available sinceNo dated patch-availability record in held sources. The index holds reference URLs without dates and only the current revision of the CVE record, so the day a fix first existed cannot be derived. Only the versions it landed in.

Exploit Status & Known PoCs a ladder, not a score

Current rung: Nothing observed in held sources.

  • RUNG 1Nothing observed in held sources
  • RUNG 2Proof-of-concept published
  • RUNG 3Exploited in the wild · CISA KEV listed
  • RUNG 4Ransomware campaign use known

Authority who says so

Exploit probability0.01032 · top 38% of all CVEsreceipt
Blast breadth1 product across 1 vendorderived
Assigned byDSFreceipt
Recorded changes12 · last 19 Sep 2026derived

Affected & Fixed Versions as published

Affected productdjangoproject Django; djangoproject asgirefreceipt
Published rangesdjangoproject django >= 4.2 < 4.2.28; djangoproject django >= 5.2 < 5.2.11; djangoproject django >= 6.0 < 6.0.2receipt
Fixed in6.0.2; 5.2.11; 4.2.28; 3.11.1receipt

A rung lights from a row in the index, never from an assessment. "Held sources" is the true scope of the claim: this index reads the CVE record, NVD, CISA KEV, FIRST's EPSS and public proof-of-concept repositories, and it does not observe attacks.

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What it is stated by the CNA

An issue was discovered in 6.0 before 6.0.2, 5.2 before 5.2.11, and 4.2 before 4.2.28. `ASGIRequest` allows a remote attacker to cause a potential denial-of-service via a crafted request with multiple duplicate headers. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Jiyong Yang for reporting this issue. receipt

NVD's analysis a second authority

weakness
CWE-407
affected versions
djangoproject django >= 4.2 < 4.2.28; djangoproject django >= 5.2 < 5.2.11; djangoproject django >= 6.0 < 6.0.2
also scored by
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

check it yourself docs.djangoproject.com groups.google.com djangoproject.com receipt

Movement the material steps

4 Feb 20260.00041
15 Jun 20260.00993 · scoring model v2026.06.15
2 Sep 20260.01032
Show all 12 observations
4 Feb 20260.00041
5 Feb 20260.00049
6 Feb 20260.00036
9 Feb 20260.00048
13 Feb 20260.00054
1 Mar 20260.00048
4 Mar 20260.00054
7 Mar 20260.00059
12 Apr 20260.00062
5 Jun 20260.00072
15 Jun 20260.00993
2 Sep 20260.01032

12 observations held. A highlighted step crossed a promotion threshold. A step marked with a scoring model moved because the instrument was replaced, not because the vulnerability changed. receipt

The full biography

EPSS 0.01032Published2026-02-03Index as of2026-09-02

The record had been public for 6 months when this index was last written.

Published 2026-02-03 receipt · Index as of 2026-09-02 derived

Siblings and hubs

Records related to this one

Its defect family

djangoproject django

Of the 6 records in this advisory, this is the only one holding a stated fix version: 6.0.2; 5.2.11; 4.2.28; 3.11.1.

Grouped by shared product and weakness, not by shared vulnerability. Each record's own state is on its own page.

Family membership: held values

This record is one of a group, and the group's page describes all of them. This page is kept and dated, and the defect family's own page is the one we offer for indexing: the whole group.

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What usually comes next

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