CVE-2026-8047
Last modified
CVE-2026-8047 is a high-severity vulnerability rated 8.7/10 on the CVSS scale. 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.. EPSS estimates a 0.45% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| CODESYS | CODESYS Control RTE (SL) | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Control Win (SL) | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS HMI (SL) | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Runtime Toolkit | >= 3.5.21.0, < 3.5.22.20 |
| CODESYS | CODESYS Control for BeagleBone SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for emPC-A/iMX6 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for IOT2000 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for Linux ARM SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for Linux SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for PFC100 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for PFC200 SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for PLCnext SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for Raspberry Pi SL | >= 4.15.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL | >= 0.0.0, < 4.21.0.0 |
| CODESYS | CODESYS Virtual Control SL | >= 4.15.0.0, < 4.21.0.0 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
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