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TI-2026-79073 Aliases CVE-2026-84914GHSA-wh55-qf35-mqfr

Missing authorization in Drupal Calculate Working Days

Priority LOW 30CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

Drupal Calculate Working Days versions from 0.0.0 before 2.0.3 are affected. A missing authorization check (CWE-862) lets a remote attacker reach restricted pages through forceful browsing. The attacker needs no privileges or user interaction, and the impact is limited to low integrity loss.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Missing Authorization vulnerability in Drupal Calculate Working Days allows Forceful Browsing. This issue affects Calculate Working Days versions: from 0.0.0 to 2.0.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00272 19th percentileScored 2026-11-07
Fix Fixed Calculate Working Days (Drupal): 2.0.3

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
DrupalCalculate Working Days0.0.0 to before 2.0.32.0.3Patch availableCNA
  • Calculate Working Days VendorDrupal Affected 0.0.0 to before 2.0.3 Fixed in 2.0.3 Patch available CNA

Remediation

Upgrade Drupal Calculate Working Days to version 2.0.3. The fix is listed in Drupal security advisory SA-CONTRIB-2026-122.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA Calculate Working Days (Drupal) Fixed in 2.0.3

Timeline

  1. 2026-10-22 Threatist record created from CVE-2026-84914
  2. 2026-10-22 Alias added: GHSA-wh55-qf35-mqfr
  3. 2026-10-22 CVSS score added · CISA ADP
  4. 2026-10-22 CISA SSVC decision points changed

References

Other 1

  • TI-2026-07979 Drupal core - Highly critical - SQL injection - SA-CORE-2026-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05494 Drupal core - Highly critical - Remote Code Execution - SA-CORE-2018-004 KEVCVSS 3.1CRITICAL 9.8
  • TI-2018-05493 Improper input validation in Drupal before 7.58, 8.x before 8.3.9, 8.4.x before 8.4.6… KEVCVSS 3.1CRITICAL 9.8
  • TI-2020-10731 Unrestricted file upload in Drupal Core KEVCVSS 3.1HIGH 8.8
  • TI-2019-04505 Drupal core - Highly critical - Remote Code Execution KEVCVSS 3.1HIGH 8.1
  • TI-2020-17477 Archive_Tar through 1.4.10 has :// filename sanitization only to address phar attacks… KEVCVSS 3.1HIGH 7.8
See all 941 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences