Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessRequest restricted Webform URL directly
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ExploitAuthorization check incorrectly permits access
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ImpactDisclose restricted Webform data
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V8 - Authorization Authorization logic validation
MITRE ATT&CK
1 technique across 1 tactic: Privilege Escalation The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The description identifies the mechanism only as Incorrect Authorization enabling 'forceful browsing' - an attacker directly accessing a Webform resource via a known or guessed URL that should be access-controlled - but it does not name the exact form, submission view, or endpoint affected, so the precise trigger is not described in the available sources. Per the CVSS vector (PR:N/UI:N), no authentication or user interaction is required and exploitation works remotely against affected Webform installations (0.0.0-6.2.12 and 6.3.0-6.3.1). The principal limiting factor is impact scope: the flaw yields only low confidentiality exposure (C:L) with no integrity or availability impact, so it enables unauthorized reading of restricted data rather than modification or takeover; exploitation is also bounded to sites running the affected Webform versions on Drupal. |
| Impact | This is a medium-severity information-disclosure issue (CVSS 5.3) whose real-world urgency is moderate, not critical. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) indicates a remotely reachable, low-complexity flaw that needs no privileges or user interaction, but its impact is deliberately narrow - only low confidentiality loss, with no integrity or availability impact, consistent with CWE-863 Incorrect Authorization enabling forceful browsing to resources the user should not reach. The exploitation signals all point the same direction and are mutually consistent: EPSS is very low at 0.20% (9th percentile), the CVE is NOT on the CISA KEV list, and no public exploit is identified in the provided data. The vuln.today decision label is 'this_month' rather than 'act_now' or 'emergency', reinforcing that this warrants scheduled remediation rather than crisis response. No SSVC decision tree (automatable / technical impact) was supplied, so that framework cannot be independently applied. There is no conflict among the signals here - a genuinely reachable but low-impact disclosure bug with low predicted exploitation. Treat it as a real but non-emergency priority: apply the vendor patch within the normal monthly maintenance window. |
| Exploit ScenarioDerived | A remote, unauthenticated attacker directly requests a Webform resource or endpoint (for example by navigating to or guessing a URL) that should have been access-restricted, and the incorrect authorization check fails to block them, disclosing information they should not be able to see. No public exploit code is identified in the provided data, and the limited C:L impact means the attacker gains read-level exposure rather than control of the site. The exact resource and request that trigger the flaw are not described in the available sources. |
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Alert meAnalysisAIv1 – Oct 22, 2026
Unauthenticated remote attackers can bypass access controls in the Drupal Webform contributed module to read data that should be restricted, affecting versions 0.0.0 through 6.2.12 and 6.3.0 through 6.3.1. Rated CVSS 5.3 with low confidentiality impact only, the flaw cannot modify or delete content and does not affect availability, so exposure is limited to unauthorized disclosure via direct requests to access-controlled Webform resources. No public exploit code or active exploitation is confirmed at time of analysis, and EPSS sits at 0.20% (9th percentile), consistent with a moderate rather than urgent patching priority.
RemediationAI
Vendor-released patch: update the Drupal Webform module to a fixed release outside the affected ranges - sites on the 6.2.x line should move beyond 6.2.12 and sites on 6.3.x should move beyond 6.3.1, per the Drupal security advisory at https://www.drupal.org/sa-contrib-2026-169. Patch availability is confirmed from the vendor, and because the defect is an access-control flaw rather than a configuration weakness, updating the module is the complete fix; the advisory should be reviewed for any interim guidance it states. Until the update is applied, the exposure is limited to low-confidentiality disclosure with no integrity or availability impact, but access-controlled Webform resources remain readable by unauthenticated remote requests, so scheduling the upgrade within the current monthly maintenance window (vuln.today priority: this_month) is appropriate; EPSS is 0.20% and no public exploit or KEV listing is confirmed.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 2 packages in composer, euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
The vulnerability is an Incorrect Authorization weakness (CWE-863) in the Webform module for Drupal, the widely deployed contributed module used to build forms and manage submissions. The authorization logic governing access to a Webform resource fails to correctly enforce the intended access check, permitting 'forceful browsing' - a direct request to a known or guessed URL that should have been denied. The CVSS vector (AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N) confirms the attack is network-reachable, requires no authentication or user interaction, and is scoped to the vulnerable component with only low confidentiality impact and no integrity or availability effect. The advisory does not name the specific form, submission view, or endpoint at issue, so the precise trigger is not described in the available sources. Affected deployments are those running the Webform module within the vulnerable ranges (0.0.0 to 6.2.12 and 6.3.0 to 6.3.1) on a Drupal site.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Forceful browsing is remotely reachable with no auth or interaction (AV:N/AC:L/PR:N/UI:N); impact is unauthorized read of restricted data only, so C:L with I:N and A:N.
Primary rating from Vendor (drupal).
CVSS VectorVendor: drupal
Lifecycle Timeline
3DescriptionCVE.org
Incorrect Authorization vulnerability in Drupal Webform allows Forceful Browsing. This issue affects Webform versions: from 0.0.0 to 6.2.12, from 6.3.0 to 6.3.1.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.
EUVD-2026-107832
GHSA-2mhr-gxgf-94fj
NVD
CVE.org
EPSS
Vulnrichment
VulDB
Exploit-DB