CVE-2026-8495

critical

Published 2026-05-19 · Modified 2026-05-13

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

This module enables you to export entity date fields as iCal feeds. The module doesn't sufficiently check entity or field access or sanitize user inputs when generating iCal feeds. This vulnerability is not mitigated by any permission, the routes are accessible to all anonymous users with no configuration required.

Predictions

Exploit likelihood

97%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

Package impact

Ecosystem	Package	Vulnerable	Fixed
Packagist:https://packages.drupal.org/8	drupal/date_ical	`<4.0.15`	`4.0.15`

Application impact

Vendor	Product	Versions	Fixed
date_ical_project	date_ical	`{"endExcluding":"4.0.15"}`	`4.0.15`

References

https://www.drupal.org/sa-contrib-2026-037

CWEs

CWE-862

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.