CVE-2026-8047
Out-of-bounds Write in CODESYS Control
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.
INFO
Published Date :
May 26, 2026, 6:49 a.m.
Last Modified :
May 26, 2026, 6:49 a.m.
Remotely Exploit :
Yes !
Source :
CERTVDE
Affected Products
The following products are affected by CVE-2026-8047
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c | ||||
| CVSS 4.0 | HIGH | 270ccfa6-a436-4e77-922e-914ec3a9685c |
Solution
- Apply vendor-supplied security patches for affected products.
- Update product firmware to the latest available version.
- Configure HTTP request handling to enforce length limits.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-8047 vulnerability anywhere in the article.