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  4. CVE 2026 73196 ipa freeipa authenticated dos in otptoken add via
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Back to active CVEs
Medium · CVSS 4.3CVE-2026-73196

Ipa: freeipa: authenticated dos in `otptoken-add` via unbounded otp key decoding/re-encodingCVE-2026-73196

Answer in brief

CVE-2026-73196 records a Medium severity (CVSS 4.3) vulnerability in Ipa: freeipa: authenticated dos in `otptoken-add` via unbounded otp key decoding/re-encoding. The current sources do not mark it as known exploited. The current feed maps Red Hat/ipa (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 20, 2026Updated Aug 24, 2026Source checked Oct 4, 2026First seen by HOL Aug 20, 2026Material review Aug 24, 2026
Upstream Advisory

Key facts

Risk
Medium · CVSS 4.3
Exploitation
Not marked as known exploited
Affected software
7 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 4.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Red Hat/ipa (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:a:freeipa:freeipa:*:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:10.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*Not reportedNot reported
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Red Hat/ipageneric*Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Red Hat/ipa.
  2. 2Review the reported fix. Source-reported workaround: To mitigate this issue, enforce conservative HTTP request-body limits on the `/ipa/session/json` endpoint to reject oversized payloads before they reach the vulnerable IPA parameter conversion. Additionally, if operationally feasible, restrict self-managed token creation to trusted users and implement monitoring or rate-limiting for repeated large authenticated requests. Changes to HTTP server configurations or FreeIPA permissions may require service restarts or reloads to take effect.

Evidence timeline and material changes

  1. Published upstream

    Aug 20, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 24, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 20, 2026

Sources and claim methodology

  • Source referenceaccess.redhat.com
  • Source referencebugzilla.redhat.com
Upstream source description

A flaw was found in FreeIPA. A low-privilege authenticated user can exploit this vulnerability by submitting an oversized One-Time Password (OTP) key value. This oversized key is then decoded and re-encoded without proper size limits, consuming excessive CPU and memory resources. This can lead to a denial of service, degrading the availability of the IPA service.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • LaraDashboard 1.4.2 before 1.4.8 Resource Exhaustion via Password Recovery EndpointsAlso CWE-770
  • WordPress TranslatePress plugin <= 3.3.6 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Kirki plugin <= 6.3.1 - Arbitrary Code Execution vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Unlimited Elements For Elementor (Free Widgets, Addons, Templates) plugin <= 2.0.20 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem
  • WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.11.1 - Cross Site Scripting (XSS) vulnerabilitySame generic ecosystem

Record context

Vulnerability class
Secret Exfiltration
EPSS
Not reported
CWE IDs
CWE-770
Source
CVE List V5
Source checked
Oct 4, 2026
References
2 linked sources
Open source record