Vulnary
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Critical· 9.8official fix available

CVE-2026-8495

This vulnerability is a missing authorization flaw in the Drupal Date iCal module that lets attackers view any data without permission. It can be exploited remotely with no user interaction. The flaw is present in all versions before 4.0.15.

publishedMay 19, 2026
last modifiedJul 23, 2026
sourcesNVD
severity · cvss
9.8
critical · how bad it is
exploitation · epss
<1%
30th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 24, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Drupal Date iCal module, versions 0.0.0 through 4.0.14, used by Drupal sites that include the Date iCal module.

02

Real-world impact

An attacker could read private calendar data, user information, or other sensitive content stored by the module, potentially exposing personal or business information.

03

Why this severity

The CVSS score of 9.8 reflects that the vulnerability is remote, requires no authentication, and allows an attacker to fully compromise confidentiality, integrity, and availability of the data exposed by the module.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade the Date iCal module to version 4.0.15 or later.

NVD description indicates fix available in version 4.0.15 or later.

05

Timeline

  1. May 19, 2026 · May 19, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 23, 2026 · 12d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 25, 2026 · 10d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Privileges requiredNone
User interactionNone needed
ScopeUnchanged
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →