CVE-2026-76089: Formie Missing Authorization On Sent Notification Vulnerability

HIGH
Advisory Identifier: GHSA-9rg8-2wvr-fgjh
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CVSS 7.7
CWE-639 CWE-862 CWE-200
Published
Advisory Summary

CVE-2026-76089 is a HIGH (CVSS 7.7) missing authorization on sent notification vulnerability (CWE-639: Authorization Bypass Through User-Controlled Key) affecting Formie libraries in the Packagist ecosystem. The issue involves missing authorization on sent notification resend modal exposes submission pii. Remediation is available by upgrading affected packages to version 3.1.31, 2.2.23.

CVE-2026-76089 at a Glance

CVE Identifier CVE-2026-76089
GHSA Identifier GHSA-9rg8-2wvr-fgjh
Severity HIGH
CVSS v3.1 Base Score 7.7
CWE Classification CWE-639: Authorization Bypass Through User-Controlled Key
Affected Product Formie
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Changed (S:C)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2026-76089

To remediate this vulnerability, upgrade all affected Formie dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

verbb/formie fixed: 3.1.31 
Upgrade verbb/formie to 3.1.31
verbb/formie fixed: 2.2.23 
Upgrade verbb/formie to 2.2.23
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for verbb/formie

How to Check if You Are Affected

To determine whether your application is affected by CVE-2026-76089, inspect your project dependencies for Formie:

inspect dependencies for verbb/formie

Analyze the terminal output to locate any version of Formie in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.1.31), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-639: Authorization Bypass Through User-Controlled Key, where the system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. In Formie, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

### Impact The control panel action `formie/sent-notifications/get-resend-modal-content` (`SentNotificationsController::actionGetResendModalContent`) performed only `requireAcceptsJson()` and loaded a `SentNotification` by request `id` without permission or object-level authorization checks. Any authenticated user who could invoke the action could enumerate notification IDs and read full email content — including recipient headers and the complete HTML body containing submitted form data (PII) — without `formie-accessSentNotifications` or equivalent permission. Sibling actions in the same controller enforced authorization. ### Patches Fixed in **3.1.31** (Craft 5) and **2.2.23** (Craft 4). Craft 5: `canView()` is enforced after loading, consistent with `actionEdit`. Craft 4: `formie-viewSentNotifications` permission is required. ### Workarounds Restrict CP access to trusted users only until upgraded. No configuration workaround. - Reported by Jorge González (jorge@jmilla.es)

CVE-2026-76089 Affected Formie Versions

2 component(s)
Fixed Versions:
3.1.312.2.23
Product / Package Ecosystem Affected Versions Fixed Version
verbb/formie
 Packagist
≥ 3.0.0
< 3.1.31
3.1.31
verbb/formie
 Packagist
< 2.2.23
2.2.23

References

GitHub Advisory / Wiki ADVISORY
https://github.com/verbb/formie/security/advisories/GHSA-9rg8-2wvr-fgjh
Security Fix Commit FIX COMMIT
https://github.com/verbb/formie/commit/9f4e23c36b907ed7677563231eaba373fdb8b84b
Security Fix Commit FIX COMMIT
https://github.com/verbb/formie/commit/ff81a895fa91a2e4efb8d4714501ba2d92df0b76
Formie Source Repository REPOSITORY
https://github.com/verbb/formie
Formie Release RELEASE
https://github.com/verbb/formie/releases/tag/2.2.23
Formie Release RELEASE
https://github.com/verbb/formie/releases/tag/3.1.31

Frequently Asked Questions

What is CVE-2026-76089?
CVE-2026-76089 is a security vulnerability in Formie involving Missing authorization on sent notification resend modal exposes submission PII under CWE-639: Authorization Bypass Through User-Controlled Key.
Which Formie versions are affected?
Affected versions include releases prior to 3.1.31, 2.2.23 across affected packages: verbb/formie.
What version fixes CVE-2026-76089?
Upgrading to 3.1.31, 2.2.23 (or the latest patched release for your respective branch) resolves the vulnerability.
Is verbb/formie affected?
Yes, verbb/formie is affected in releases prior to 3.1.31, 2.2.23. Upgrade your dependency to 3.1.31, 2.2.23 or later.
What is the CVSS score of CVE-2026-76089?
CVE-2026-76089 has a CVSS v3.1 base score of 7.7 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N.
What CWE is associated with CVE-2026-76089?
CVE-2026-76089 is classified under CWE-639: Authorization Bypass Through User-Controlled Key (The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.).
How can I check Packagist dependencies for CVE-2026-76089?
Run the dependency tree command: 'inspect dependencies for verbb/formie'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-9rg8-2wvr-fgjh",
  "modified" : "2026-09-23T21:24:01Z",
  "published" : "2026-09-23T21:24:01Z",
  "aliases" : [ "CVE-2026-76089" ],
  "summary" : "Formie: Missing authorization on sent notification resend modal exposes submission PII",
  "details" : "### Impact\n\nThe control panel action `formie/sent-notifications/get-resend-modal-content` (`SentNotificationsController::actionGetResendModalContent`) performed only `requireAcceptsJson()` and loaded a `SentNotification` by request `id` without permission or object-level authorization checks.\n\nAny authenticated user who could invoke the action could enumerate notification IDs and read full email content — including recipient headers and the complete HTML body containing submitted form data (PII) — without `formie-accessSentNotifications` or equivalent permission. Sibling actions in the same controller enforced authorization.\n\n### Patches\n\nFixed in **3.1.31** (Craft 5) and **2.2.23** (Craft 4).\n\nCraft 5: `canView()` is enforced after loading, consistent with `actionEdit`.  \nCraft 4: `formie-viewSentNotifications` permission is required.\n\n### Workarounds\n\nRestrict CP access to trusted users only until upgraded. No configuration workaround.\n\n- Reported by Jorge González (jorge@jmilla.es)",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "verbb/formie"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.0.0"
      }, {
        "fixed" : "3.1.31"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "verbb/formie"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.2.23"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/verbb/formie/security/advisories/GHSA-9rg8-2wvr-fgjh"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/verbb/formie/commit/9f4e23c36b907ed7677563231eaba373fdb8b84b"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/verbb/formie/commit/ff81a895fa91a2e4efb8d4714501ba2d92df0b76"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/verbb/formie"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/verbb/formie/releases/tag/2.2.23"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/verbb/formie/releases/tag/3.1.31"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-200", "CWE-639", "CWE-862" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2026-09-23T21:24:01Z",
    "nvd_published_at" : null
  }
}