CVE•Published 2026-06-26•Modified 2026-06-29•1 article on news•4 live references•NVD data
CVE-2026-46386
Vulnerability data via NVD (ingested)
CVSS v3.1
9.9
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS percentile
19
Exploit Prediction Scoring System · top 81% of all CVEs
Weaknesses (CWE)
Description
OpenProject is open-source, web-based project management software. Prior to , the official openproject/openproject Docker image ships ENV SECRET_KEY_BASE=OVERWRITE_ME as the default Rails master key. Combined with cookies_serializer = :marshal, this gives any logged-in user a deterministic Marshal-deserialization path reachable via the /my/two_factor_devices cookie reader This vulnerability is fixed in .
Timeline
Published 2026-06-26
Modified 2026-06-29
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). Live host counts are a Premium feature.
More intel sources (5)
Shodan report
vuln:CVE-2026-46386Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-46386Censys host search filtered to this CVE id.
grep.app
CVE-2026-46386Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-46386GitHub code search for direct mentions.
Google dork
"CVE-2026-46386" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.