CVE-2026-20303

Signals

NVD · CVE-2026-18980 · 6.3 · A vulnerability was identified in nearai ironclaw up to 0.29.1. Affected is the function classify_command_risk of the file src/tools/builtin/shell.rs. Such maniNVD · CVE-2026-18976 · 6.3 · A vulnerability was determined in NousResearch hermes-agent up to 0.16.0. This impacts the function get_tool_definitions of the file agent/agent_init.py of the NVD · CVE-2026-18974 · 5.3 · A vulnerability was found in heshengtao super-agent-party up to 0.4.1. This affects the function get_file_content of the file server.py of the component executeNVD · CVE-2026-18973 · 7.3 · A vulnerability has been found in heshengtao super-agent-party up to 0.4.1. The impacted element is the function sanitize_proxy_url of the file server.py of theCISA KEV · CVE-2026-63077 · 9.8 · JetBrains TeamCity Deserialization of Untrusted Data Vulnerability · Added 2026-08-05 · Due 2026-08-08CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07NVD · CVE-2026-18980 · 6.3 · A vulnerability was identified in nearai ironclaw up to 0.29.1. Affected is the function classify_command_risk of the file src/tools/builtin/shell.rs. Such maniNVD · CVE-2026-18976 · 6.3 · A vulnerability was determined in NousResearch hermes-agent up to 0.16.0. This impacts the function get_tool_definitions of the file agent/agent_init.py of the NVD · CVE-2026-18974 · 5.3 · A vulnerability was found in heshengtao super-agent-party up to 0.4.1. This affects the function get_file_content of the file server.py of the component executeNVD · CVE-2026-18973 · 7.3 · A vulnerability has been found in heshengtao super-agent-party up to 0.4.1. The impacted element is the function sanitize_proxy_url of the file server.py of theCISA KEV · CVE-2026-63077 · 9.8 · JetBrains TeamCity Deserialization of Untrusted Data Vulnerability · Added 2026-08-05 · Due 2026-08-08CISA KEV · CVE-2026-18556 · 7.4 · N-able N-central Authentication Bypass Using an Alternate Path or Channel Vulnerability · Added 2026-08-04 · Due 2026-08-07

CVE Database · CVE-2026-20303

CVE-2026-20303

· CRITICALReceived

CVSS v3.1

9.9

EPSS

N/A

Published

Aug 5, 2026

Modified

Aug 5, 2026

Public PoC / Exploit

All weaponized →

No public PoC or exploit code indexed for this CVE.

Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

Description

As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Catalyst SD-WAN engineering team has conducted a comprehensive internal security review. This review resulted in software hardening releases that address multiple internally discovered vulnerabilities. The vulnerabilities tracked by CVE-2026-20303 are related to improper input validation issues that are grouped under the Common Weakness Enumeration (CWE) CWE-20.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Weaknesses (CWE)

CWE-20

References (1)

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-hardening-sdwan-faLcR3K

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