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CVE•Published 2026-06-02•Modified 2026-06-04•0 articles on news•5 live references•NVD data

CVE-2026-42504

Vulnerability data via NVD (ingested)

CVSS v3.1
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
5
Exploit Prediction Scoring System · top 95% of all CVEs
Weaknesses (CWE)
CWE-407Inefficient Algorithmic Complexity
Description

Decoding a maliciously-crafted MIME header containing many invalid encoded-words can consume excessive CPU.

Timeline
Published 2026-06-02
Modified 2026-06-04

External references

NVDMITREExploit-DBSploitusVulnCheck

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-2026-42504
Hosts Shodan has explicitly fingerprinted as vulnerable.
More intel sources (5)
Shodan report
vuln:CVE-2026-42504
Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-42504
Censys host search filtered to this CVE id.
grep.app
CVE-2026-42504
Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-42504
GitHub code search for direct mentions.
Google dork
"CVE-2026-42504" exploit -site:nvd.nist.gov
Write-ups and news, NVD excluded.

Known PoCs on GitHub (3)

CVE-2026-425043 repos
dmz006/datawatchGo
Bridge between messaging platforms and AI coding agents — manage AI coding sessions from your phone
★ 5·updated 1d ago
pt9912/grid-gymPython
grid-gym is an open-source platform for deterministic simulation and validation of smart grid and energy management systems. It supports replay simulations, fault injection, mult…
★ 2·updated today
tao-lian/openclawDockerfile
★ 1·updated today
We haven't classified any articles referencing CVE-2026-42504 yet. The external references above still apply.