CVE-2025-11695: MongoDB Rust Driver · Improper Certificate Validation
Affects MongoDB Rust DriverSource CVE Database V5
Not known to be exploited · CVSS 8.0 High · fixed in 3.2.5 : patch MongoDB Rust Driver soon.
Data as of 26 Oct 2026, 07:57 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 7% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 3.2.5
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:NExploitation evidence
Disclosed: evidence found.
CVE published 13 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MongoDB Rust Driver | Affected
| Fixed in– |
AI-suggested
1. Upgrade MongoDB Rust Driver to version 3.2.5 or later immediately to ensure proper certificate validation is enforced. 2. Audit all MongoDB connection strings in application configurations to verify that tlsInsecure is not set to False or any value that disables certificate validation. 3. Implement strict TLS policies and certificate pinning where feasible to prevent MITM attacks. 4. Use network-level protections such as VPNs or private networks to restrict access to MongoDB instances. 5. Monitor network traffic for unusual TLS handshake anomalies or unexpected certificate changes. 6. Educate developers and DevOps teams about the risks of disabling TLS certificate validation and enforce secure coding practices. 7. Conduct regular security assessments and penetration testing focusing on database connectivity and TLS configurations. 8. Review and update incident response plans to include scenarios involving compromised database connections.
Description
When tlsInsecure=False appears in a connection string, certificate validation is disabled. This vulnerability affects MongoDB Rust Driver versions prior to v3.2.5