---
id: CVE-2026-73197
title: A flaw was found in FreeIPA
summary: >-
  A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit
  this vulnerability by sending oversized form POST requests to the
  `/ipa/migration/migration.py` endpoint. This can force the migration handler
  to read attacker-c…
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-770
vendor: freeipa
product: freeipa
affected:
  - enterprise_linux = 6.0
  - enterprise_linux = 7.0
  - enterprise_linux = 8.0
  - enterprise_linux = 9.0
  - enterprise_linux = 10.0
  - freeipa < 4.13.3
patched:
  - freeipa 4.13.3
published: '2026-08-20'
updated: '2026-09-24'
sourceUpdated: '2026-09-24T04:17:53.117'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73197'
references:
  - url: 'https://access.redhat.com/errata/RHSA-2026:70564'
    label: secalert@redhat.com
  - url: 'https://access.redhat.com/security/cve/CVE-2026-73197'
    label: secalert@redhat.com
  - url: 'https://bugzilla.redhat.com/show_bug.cgi?id=2474697'
    label: secalert@redhat.com
  - url: >-
      https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73197.json
  - url: 'https://www.cve.org/CVERecord?id=CVE-2026-73197'
  - url: 'https://nvd.nist.gov/vuln/detail/CVE-2026-73197'
tags:
  - nvd
  - cve.org
  - csaf
  - vex
  - red-hat
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: partial
  timestamp: '2026-08-25T14:25:03.526898Z'
epss: 0.00333
epssPercentile: 0.26686
ingestedAt: '2026-09-24T03:37:24.189Z'
---

## Overview

A flaw was found in FreeIPA. A remote, unauthenticated attacker can exploit this vulnerability by sending oversized form POST requests to the `/ipa/migration/migration.py` endpoint. This can force the migration handler to read attacker-controlled request bodies fully into memory, leading to increased memory usage, slower request handling, and potential service disruption or denial of service.

## Affected

- `enterprise_linux = 6.0`
- `enterprise_linux = 7.0`
- `enterprise_linux = 8.0`
- `enterprise_linux = 9.0`
- `enterprise_linux = 10.0`
- `freeipa < 4.13.3`

## Remediation

Upgrade past the affected range:

- `freeipa 4.13.3`

## Vendor advisories

- **RHSA-2026:70564** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:70564)
- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8 · updated 2026-09-24 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-73197.json)