SB2026011328 - Nautobot update for third-party dependencies



SB2026011328 - Nautobot update for third-party dependencies

Published: January 13, 2026

Security Bulletin ID SB2026011328
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Cryptographic issues (CVE-ID: CVE-2025-69277)

CWE-ID: CWE-310 - Cryptographic Issues

CVSSv4: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to read or manipulate encrypted data.

The vulnerability exists due to an error within the ge25519_is_on_main_subgroup() function in src/libsodium/crypto_core/ed25519/ref10/ed25519_ref10.c  in atypical use cases involving certain custom cryptography or untrusted data passed to crypto_core_ed25519_is_valid_point(). A remote attacker can read or manipulate encrypted data.


2) Improper handling of highly compressed data (CVE-ID: CVE-2026-21441)

CWE-ID: CWE-409 - Improper Handling of Highly Compressed Data (Data Amplification)

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to the application does not properly handle highly compressed data when sending HTTP redirect responses. A remote attacker can multiple large requests to the application, consume all available CPU and memory resources and perform a denial of service attack.


Remediation

Install update from vendor's website.