CVE•Published 2026-04-11•Modified 2026-04-27•0 articles on news•5 live references•NVD data
CVE-2026-40354Flatpak · Xdg-desktop-portal
Vulnerability data via NVD (ingested)
CVSS v3.1
2.9
LOW
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS percentile
5
Exploit Prediction Scoring System · top 95% of all CVEs
Weaknesses (CWE)
Description
Flatpak xdg-desktop-portal before 1.20.4 and 1.21.x before 1.21.1 allows any Flatpak app to trash any file in the host context via a symlink attack on g_file_trash.
Timeline
Published 2026-04-11
Modified 2026-04-27
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-2026-40354Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Flatpak Xdg-desktop-portal"All exposed Flatpak Xdg-desktop-portal instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Xdg-desktop-portal"HTTP body or banner mentions "Xdg-desktop-portal" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-40354Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-40354Censys host search filtered to this CVE id.
grep.app
CVE-2026-40354Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-40354GitHub code search for direct mentions.
Google dork
"CVE-2026-40354" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (1)
We haven't classified any articles referencing CVE-2026-40354 yet. The external references above still apply.