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, 10:12 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| MongoDB Rust Driver | Affected
| Fixed in– |
AI-suggested
- Upgrade MongoDB Rust Driver to version 3.2.5 or later immediately to ensure proper certificate validation is enforced.
- Audit all MongoDB connection strings in application configurations to verify that tlsInsecure is not set to False or any value that disables certificate validation.
- Implement strict TLS policies and certificate pinning where feasible to prevent MITM attacks.
- Use network-level protections such as VPNs or private networks to restrict access to MongoDB instances.
- Monitor network traffic for unusual TLS handshake anomalies or unexpected certificate changes.
- Educate developers and DevOps teams about the risks of disabling TLS certificate validation and enforce secure coding practices.
- Conduct regular security assessments and penetration testing focusing on database connectivity and TLS configurations.
- 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