Privilege escalation in 3coresec Trapdoor
CVE-2026-19358
A weakness has been identified in 3CORESec Trapdoor up to 1.2.2. Affected by this vulnerability is the function DefaultFunction. This manipulation causes improper access controls. The attack can be initiated remotely. The vendor was contacted early about this disclosure.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.002 (10.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- 3coresec Trapdoor — versions 1.2.0, 1.2.1, 1.2.2
Weakness classification (CWE)
References
- vuldb.com/vuln/387212 (technical-description, vdb-entry)
- vuldb.com/vuln/387212/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-19358 (third-party-advisory)
- vuldb.com/submit/866021 (third-party-advisory)
Frequently asked questions
- What is CVE-2026-19358?
- CVE-2026-19358 is a medium-severity vulnerability in 3coresec Trapdoor, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-08-09.
- How severe is CVE-2026-19358?
- Medium severity. CVSS v3 base score is 6.3 out of 10.