CVE-2026-21694

6.8 MEDIUM

📋 TL;DR

CVE-2026-21694 is an improper access control vulnerability in Titra time tracking software that allows authenticated users to view and edit other users' time entries in private projects without proper authorization. This affects all organizations using Titra versions 0.99.49 and below. The vulnerability enables unauthorized access to sensitive time tracking data across user accounts.

💻 Affected Systems

Products:
  • Titra
Versions: 0.99.49 and below
Operating Systems: All
Default Config Vulnerable: ⚠️ Yes
Notes: All deployments of affected versions are vulnerable regardless of configuration.

📦 What is this software?

⚠️ Risk & Real-World Impact

🔴

Worst Case

Malicious or compromised users could systematically access, modify, or delete all time entries across the organization, leading to data integrity issues, financial miscalculations, and potential regulatory compliance violations.

🟠

Likely Case

Users accidentally or intentionally accessing other users' time entries, leading to privacy violations, incorrect billing data, and project management inaccuracies.

🟢

If Mitigated

Limited impact with proper network segmentation and monitoring, though unauthorized access attempts could still occur.

🌐 Internet-Facing: HIGH
🏢 Internal Only: HIGH

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ✅ No
Complexity: LOW

Exploitation requires authenticated access but is straightforward once authenticated.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: 0.99.50

Vendor Advisory: https://github.com/kromitgmbh/titra/security/advisories/GHSA-mr2r-wjf8-cj3c

Restart Required: Yes

Instructions:

1. Backup your Titra database and configuration. 2. Update Titra to version 0.99.50 or later using your package manager or manual installation. 3. Restart the Titra service. 4. Verify the update was successful.

🔧 Temporary Workarounds

Restrict User Permissions

all

Temporarily limit user access to only essential projects while awaiting patch deployment.

🧯 If You Can't Patch

  • Implement strict network segmentation to isolate Titra instances from untrusted networks
  • Enable detailed audit logging for all time entry access and modifications

🔍 How to Verify

Check if Vulnerable:

Check Titra version via web interface or configuration files. If version is 0.99.49 or below, system is vulnerable.

Check Version:

Check Titra web interface settings or configuration files for version information

Verify Fix Applied:

After updating to 0.99.50 or later, test that users can only access their own time entries in private projects.

📡 Detection & Monitoring

Log Indicators:

  • Unauthorized access attempts to other users' time entries
  • Multiple failed authorization checks for time entry access

Network Indicators:

  • Unusual patterns of API calls to time entry endpoints from single users

SIEM Query:

source="titra" AND (event_type="access_denied" OR event_type="unauthorized_access") AND resource_type="time_entry"

🔗 References

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