CVE-2026-40722Network attack vector

Authenticated redirect manipulation via missing authorization

Published Jun 17, 2026 · Updated Jun 17, 2026

Missing authorization in Yoast SEO Premium 26.6 and earlier allows remote authenticated users to create unsafe redirects through its manager. The redirect-management path fails to restrict Author-level users to 301 or 410 status codes and relative destination URLs. An Author account is required; crafted rules can send visitors off-site or disrupt affected routes, while no data-reading capability is reported.

CVSS severity5.5
Medium
EPSS probability0.19%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Yoast SEO Premium 26.6 and earlier allows remote authenticated users to create unsafe redirects through its manager. The redirect-management path fails to restrict Author-level users to 301 or 410 status codes and relative destination URLs. An Author account is required; crafted rules can send visitors off-site or disrupt affected routes, while no data-reading capability is reported.

The record

CVE
CVE-2026-40722
Published
Jun 17, 2026
Updated
Jun 17, 2026
Vendor
Yoast
Product
Yoast SEO Premium
Classifications
CWE-862, CAPEC-180, T1565.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 17, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 17, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a <=26.6 changes=[{"at":"26.7","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Yoast · Yoast SEO Premiumversion=n/a <=26.6 changes=[{"at":"26.7","status":"unaffected"}]

Published CVSS scores

5.5PatchstackCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:L/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-862Missing Authorization
CAPEC-180Exploiting Incorrectly Configured Access Control Security Levels
T1565.001Stored Data Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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