CVE-2026-2968 - Vulnerability Analysis

Overview

Cesanta Mongoose <= 7.20 contains a cryptographic signature verification bypass caused by improper verification in mg_chacha20_poly1305_decrypt function in Poly1305 Authentication Tag Handler, letting remote attackers bypass cryptographic protections, exploit requires complex conditions.

Severity & Score

Impact

Remote attackers can bypass cryptographic signature verification, potentially compromising data integrity and confidentiality.

Mitigation

Update to the latest version.

References

• https://vuldb.com/?submit.757091
• https://github.com/dwBruijn/CVEs/blob/main/Mongoose/ChaCha20Poly1305.md
• https://github.com/dwBruijn/CVEs/blob/main/Mongoose/ChaCha20Poly1305.md#poc
• https://vuldb.com/?ctiid.347335
• https://vuldb.com/?id.347335

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner