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CVE-2026-35573 β€” AI Deep Analysis Summary

CVSS 9.1 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: ChurchCRM has a **Path Traversal** flaw in its backup/restore feature.…

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-22 (Path Traversal)**. The system fails to properly sanitize file paths during backup/restore operations, allowing directory traversal attacks.

Q3Who is affected? (Versions/Components)

πŸ“¦ **Affected**: **ChurchCRM** versions **prior to 6.5.3**. Specifically the CRM product by vendor ChurchCRM.

Q4What can hackers do? (Privileges/Data)

πŸ’€ **Attacker Actions**: With admin privileges, hackers can execute arbitrary code on the server. This leads to full **Confidentiality, Integrity, and Availability** compromise (CVSS High Impact).

Q5Is exploitation threshold high? (Auth/Config)

πŸ” **Threshold**: **High**. Requires **Authenticated Admin** access (PR:H). Not an unauthenticated exploit, but still critical due to the severity of the outcome.

Q6Is there a public Exp? (PoC/Wild Exploitation)

πŸ“’ **Public Exploit**: **No**. The `pocs` field is empty. No public Proof-of-Concept or wild exploitation code is currently available.

Q7How to self-check? (Features/Scanning)

πŸ” **Self-Check**: Scan for ChurchCRM installations. Check version numbers. Look for exposed **Backup/Restore** functionality accessible to admins.

Q8Is it fixed officially? (Patch/Mitigation)

βœ… **Fix**: Yes. Upgrade to **ChurchCRM 6.5.3** or later. Refer to the GitHub Security Advisory for official patch details.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Restrict admin access strictly. Disable or restrict the **Backup/Restore** feature if possible. Monitor Apache logs for `.htaccess` modifications.

Q10Is it urgent? (Priority Suggestion)

⚠️ **Urgency**: **High Priority**. CVSS Score indicates Critical impact (H/H/H). Even though auth is required, the RCE risk is severe. Patch immediately if vulnerable.