CVE-2026-33885Network attack vector

Open redirect via URL parsing differential

Published Mar 27, 2026 · Updated Mar 27, 2026

Open redirect in Statamic CMS before 5.73.16 or 6.0.0.alpha.1 through 6.7.1 allows remote attackers to redirect users externally. Redirect validation on unauthenticated form-submission and authentication endpoints treats crafted external URLs as internal because its URL parsers disagree. No account is required, but a user must follow the resulting redirect; the reported impact is navigation to an attacker-chosen external site.

CVSS severity6.1
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Open redirect in Statamic CMS before 5.73.16 or 6.0.0.alpha.1 through 6.7.1 allows remote attackers to redirect users externally. Redirect validation on unauthenticated form-submission and authentication endpoints treats crafted external URLs as internal because its URL parsers disagree. No account is required, but a user must follow the resulting redirect; the reported impact is navigation to an attacker-chosen external site.

The record

CVE
CVE-2026-33885
Published
Mar 27, 2026
Updated
Mar 27, 2026
Vendor
Statamic, LLC
Product
Statamic CMS
Classifications
CWE-601, T1204.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 27, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 27, 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=< 5.73.16
  2. Affected versionversion=>= 6.0.0.alpha.1, < 6.7.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Statamic, LLC · Statamic CMSversion=< 5.73.16; version=>= 6.0.0.alpha.1, < 6.7.2

Published CVSS scores

6.1GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
T1204.001User Execution: Malicious Link

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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