Vulnerability Intelligence Report
Out-of-bounds Write in CODESYS Control
CVE-2026-8047
The affected products perform improper length checking when parsing incoming HTTP requests, resulting in a size-limited out-of-bounds write. An unauthenticated remote attacker can exploit this flaw to cause a denial of service via a system crash on the affected device.
No Active Exploit Signals
CVSS Base Score
8.7
HIGH
EPSS Probability:0.45%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
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Weaponization
—
SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| No affected products specified. | ||
Threat Intelligence Signals
EPSS Score
0.445%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | CERT@VDE · CERT · Germany |
| Reserved | 2026-05-06T17:12:05 |
| Published | 2026-05-26T06:49:54 |
| Last Updated | 2026-05-26T10:48:24 |
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