CVE•Published 2026-05-01•Modified 2026-05-11•0 articles on news•5 live references•NVD data
CVE-2026-23863Whatsapp · Whatsapp
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
EPSS percentile
1
Exploit Prediction Scoring System · top 99% of all CVEs
Weaknesses (CWE)
Description
An attachment spoofing issue in WhatsApp for Windows prior to v2.3000.1032164386.258709 could have allowed maliciously formatted documents with embedded NUL bytes in the filename to be shown in the application as one type of file but run as an executable when opened. We have not seen evidence of exploitation in the wild.
Timeline
Published 2026-05-01
Modified 2026-05-11
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 tag0 hosts
vuln:CVE-2026-23863Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Whatsapp Whatsapp"All exposed Whatsapp Whatsapp instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Whatsapp"HTTP body or banner mentions "Whatsapp" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-23863Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-23863Censys host search filtered to this CVE id.
grep.app
CVE-2026-23863Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-23863GitHub code search for direct mentions.
Google dork
"CVE-2026-23863" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-23863 on GitHub.
We haven't classified any articles referencing CVE-2026-23863 yet. The external references above still apply.