CVE•Published 2026-08-05•Modified 2026-08-12•1 article on news•4 live references•NVD data
CVE-2026-20269Cisco · Ios_xe
Vulnerability data via NVD (ingested)
CVSS v3.1
8.6
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
EPSS percentile
17
Exploit Prediction Scoring System · top 83% of all CVEs
Weaknesses (CWE)
Description
As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XE Software 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-2026-20269 are related to issues with improper control of a resource through its lifetime that are grouped under the Common Weakness Enumeration (CWE) Pillar CWE-664.
Timeline
Published 2026-08-05
Modified 2026-08-12
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag4,014 hosts
vuln:CVE-2026-20269Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Ios Xe"Hosts Shodan identified as running Ios Xe.
More intel sources (5)
Shodan report
vuln:CVE-2026-20269Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-20269Censys host search filtered to this CVE id.
grep.app
CVE-2026-20269Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-20269GitHub code search for direct mentions.
Google dork
"CVE-2026-20269" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (4)
CVE-2026-202694 repos
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
cnlinxi/LLM-paper-dailyPython
Automatically Update LLM Papers Daily using Github Actions. Ref: https://github.com/Vincentqyw/cv-arxiv-daily
mrhenrike/FirewallXPL-ForgePython
Perimeter security exploitation framework — 164 modules covering FW, NGFW, UTM, WAF, VPN, NAC, LB, and OT/ICS firewalls (Fortinet, Cisco, Palo Alto, F5, Citrix, Check Point, SonicW…
cmivqa/ro-arxiv-dailyPython
Automatically Update Arxiv Papers Daily using Github Actions (Update Every 8th hours)