Date iCal - Critical - Information disclosure - SA-CONTRIB-2026-037

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Summary

CVECVE-2026-8495
StatePUBLISHED
Assignerdrupal
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-05-19 23:16:59 UTC
Updated2026-05-27 15:14:11 UTC
DescriptionMissing Authorization vulnerability in Drupal Date iCal allows Forceful Browsing. This issue affects Date iCal: from 0.0.0 before 4.0.15.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from ADP

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

EPSS: 0.000540000 probability, percentile 0.173360000 (date 2026-06-01)

Problem Types: CWE-862 | CWE-862 CWE-862 Missing Authorization

VersionSourceTypeScoreSeverityVector
3.1ADPDECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Date Ical Project Date Ical All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Drupal Date ICal affected 0.0.0 4.0.15 semver Not specified

References

ReferenceSourceLinkTags
www.drupal.org/sa-contrib-2026-037 [email protected] www.drupal.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Drew Webber (mcdruid) (en)

CNA: Joël Pittet (joelpittet) (en)

CNA: Greg Knaddison (greggles) (en)

CNA: Dave Long (longwave) (en)

CNA: Juraj Nemec (poker10) (en)

CNA: Drew Webber (mcdruid) (en)

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