# CVE-2026-11347: linqi hardcoded cryptographic keys and weak IV generation

Source: https://junglewise.ai/threats/cve-2026-11347-linqi-hardcoded-cryptographic-keys-and-weak-iv-generation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-05. Updated: 2026-06-05  
License: CC BY 4.0 with a link back

CVE-2026-11347 · Severity: info · CVSS 8.5 · Published 2026-06-05

The linqi application contains security flaws related to how it encrypts sensitive information. An attacker with local access to the system can bypass these protections to recover database credentials and other sensitive configuration details. This could lead to unauthorized access to corporate databases and a total compromise of the application's data integrity.

Technologies: [Linqi](https://junglewise.ai/threats/technologies/linqi). Vendors: [Linqi](https://junglewise.ai/threats/vendors/linqi).

## Quick answers

**Is CVE-2026-11347 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-11347 being exploited in the wild.

**How severe is CVE-2026-11347?** Informational severity, with a CVSS score of 8.5, published 5 June 2026.

**Which products and versions are affected?** linqi linqi.

**Is there a fix for CVE-2026-11347?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-11347 attacked?** It is attacked with local access, in a network appliance.

**Am I affected by CVE-2026-11347?** Check whether you run Linqi. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

The linqi application is vulnerable to two primary cryptographic weaknesses: the use of hardcoded cryptographic keys (CWE-321) and a cryptographically weak PRNG for Initialization Vector (IV) generation (CWE-338). Specifically, the application uses a limited ASCII charset and a weak algorithm to generate IVs for AES/CBC encryption. These flaws make known-plaintext attacks feasible. An attacker with local access and low privileges can exploit these vulnerabilities to decrypt obfuscated strings within configuration files, such as 'appsettings.json', potentially revealing plaintext database credentials and other sensitive ConnectionString values.

## Affected products

- linqi linqi

## Timeline

- 2026-06-05: disclosed
- 2026-06-05: advisory

## References

- [https://linqi.help/en/reference/security/security-advisories/](https://linqi.help/en/reference/security/security-advisories/)

## Related threats

- [Linqi IDOR in Comment API](https://junglewise.ai/threats/cve-2026-11369-linqi-idor-in-comment-api)