CVE•Published 2026-08-20•Modified 2026-09-09•0 articles on news•5 live references•NVD data

CVE-2026-77644

Vulnerability data via NVD (ingested)

CVSS v3.1

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EPSS percentile

Exploit Prediction Scoring System · top 76% of all CVEs

Weaknesses (CWE)

CWE-306Missing Authentication for Critical Function CWE-620Unverified Password Change

Description

A critical bypass access control vulnerability has been reported in PTC Windchill Risk and Reliability (WRR) Enterprise Edition.

Timeline

Published 2026-08-20

Modified 2026-09-09

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

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 tag0 hosts

vuln:CVE-2026-77644

Hosts Shodan has explicitly fingerprinted as vulnerable.

More intel sources (5)

Shodan report

vuln:CVE-2026-77644

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2026-77644

Censys host search filtered to this CVE id.

grep.app

CVE-2026-77644

Public source-code mentions — fast PoC discovery.

GitHub code

CVE-2026-77644

GitHub code search for direct mentions.

Google dork

"CVE-2026-77644" exploit -site:nvd.nist.gov

Write-ups and news, NVD excluded.

Known PoCs on GitHub

No public proof-of-concept repositories found for CVE-2026-77644 on GitHub.

We haven't classified any articles referencing CVE-2026-77644 yet. The external references above still apply.