Insufficient Verification of Data Authenticity The advisory has been revoked - it doesn't affect any version of package mongoose  (opens in a new tab)


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EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-MONGOOSE-16309629
  • published28 Apr 2026
  • disclosed23 Feb 2026

Introduced: 23 Feb 2026

CVE-2026-2968  (opens in a new tab)
CWE-345  (opens in a new tab)
CWE-347  (opens in a new tab)

Amendment

The Debian security team deemed this advisory irrelevant for Debian:unstable.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mongoose package and not the mongoose package as distributed by Debian.

A vulnerability was detected in Cesanta Mongoose up to 7.20. This impacts the function mg_chacha20_poly1305_decrypt of the file /src/tls_chacha20.c of the component Poly1305 Authentication Tag Handler. The manipulation results in improper verification of cryptographic signature. The attack may be launched remotely. This attack is characterized by high complexity. The exploitability is said to be difficult. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.