CyberSecBulletin

Nessshon vulnerabilities

We track 1 vulnerability in Nessshon products. 1 is rated high or critical, and none are known to be exploited. The most recent was published on July 28, 2026.

1vulnerabilities
0critical
1high
0exploited
7.5average CVSS score

Latest Nessshon vulnerabilities

  • 7.5 High severity

    tonapi: Improper Authentication

    CVE-2026-54635Nessshon

    pytonapi is a Python SDK for TONAPI that provides REST API, streaming, and webhook access to the TON blockchain. From 2.0.0 to 2.2.0, TonapiWebhookDispatcher fails to validate the Authorization header when a webhook handler is registered with the documented pa