Open Cascade Technology
Vendor:
First CVE: May 1, 2026 · Active for under a year
6
Total CVEs
More Total CVEs than 80% of tracked products
6.0
Avg CVEs / Year
Higher CVE frequency than 90% of tracked products
6.4
Avg CVSS
Higher Avg CVSS than 27% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Open Cascade Technology over time
Volume of CVEsAvg CVSS Base Score
First CVE
May 1, 2026
2 months ago
Most Recent CVE
May 1, 2026
84 days ago
CVE Severity & Scoring
Open Cascade Technology6 CVEs
50%
50%
All CVEs352,231 CVEs
45%
40%
11%
MediumHigh
Attack Vector
Local5 (83.3%)
Network1 (16.7%)
Unknown0 (0.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low6 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None3 (50.0%)
Unknown0 (0.0%)
Required3 (50.0%)
Privileges Required
Low2 (33.3%)
High0 (0.0%)
None4 (66.7%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (6 CVEs).
6 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2026-42478HIGH An issue was discovered in VrmlData_IndexedFaceSet::TShape in the VRML V2.0 parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of service via a | May 1, 2026 | 7.5 | 30 | NO | NO |
CVE-2026-42477HIGH A heap-based out-of-bounds read vulnerability in RWObj_Reader::read in the OBJ file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows user-assisted attackers to cause a de | May 1, 2026 | 7.1 | 27 | NO | NO |
CVE-2026-42476HIGH Two heap-based out-of-bounds read vulnerabilities in the STL ASCII file parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 exist in RWStl_Reader::ReadAscii because buffers returne | May 1, 2026 | 7.1 | 27 | NO | NO |
CVE-2026-42481MEDIUM Open CASCADE Technology (OCCT) V8_0_0_rc5 contains multiple vulnerabilities in its IGES and STEP file parsers that can be triggered by crafted IGES or STEP files. These issues incl | May 1, 2026 | 5.5 | 24 | NO | NO |
CVE-2026-42480MEDIUM A stack-based out-of-bounds read vulnerability in VrmlData_Scene::ReadLine in the VRML parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of ser | May 1, 2026 | 5.5 | 24 | NO | NO |
CVE-2026-42479MEDIUM An out-of-bounds read vulnerability in VrmlData_IndexedLineSet::TShape in the VRML parser in Open CASCADE Technology (OCCT) V8_0_0_rc5 allows attackers to cause a denial of service | May 1, 2026 | 5.5 | 24 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (6 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (6 CVEs).
Media Mentions
Signals from CVEs in this product scope (6 CVEs).
Top CNAs Publishing CVEs For Open Cascade Technology
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 8.0.0 | 6 | 6.4 | 0.1% | 0 | 0 |