CVE•Published 2026-07-17•Modified 2026-07-30•0 articles on news•4 live references•NVD data
CVE-2026-8075Mattermost · Mattermost_desktop
Vulnerability data via NVD (ingested)
CVSS v3.1
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS percentile
15
Exploit Prediction Scoring System · top 85% of all CVEs
Weaknesses (CWE)
Description
Mattermost Desktop App versions <=6.2 5.5.13 6.0.2.0 fail to properly null check when checking for headers in the Mattermost Desktop App which allows any user to crash another channel members Desktop App via posting a malicious link with an embedded image that misses one of those headers. Mattermost Advisory ID: MMSA-2026-00668
Timeline
Published 2026-07-17
Modified 2026-07-30
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-2026-8075Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Mattermost Mattermost Desktop"All exposed Mattermost Mattermost Desktop instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Mattermost Desktop"HTTP body or banner mentions "Mattermost Desktop" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2026-8075Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-8075Censys host search filtered to this CVE id.
grep.app
CVE-2026-8075Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-8075GitHub code search for direct mentions.
Google dork
"CVE-2026-8075" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (3)
We haven't classified any articles referencing CVE-2026-8075 yet. The external references above still apply.