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CVE-2026-515409.8CriticalCWE-191

CVE-2026-51540: Opener Project vulnerability

Opener Project · Opener

Affected: Opener Project · Exploitation: unlikely (under 1%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

0.6%probability of exploitation in the next 30 days
47th percentile
050100

Higher than 47% of scored CVEs

9.8CriticalCVSS 3.1
LowCrit.

DescriptionCVE.org

OpENer 2.3.0 (master branch up to commit 76b95cf) is vulnerable to a severe memory corruption issue caused by an integer underflow in the processing of connected explicit messages (SendUnitData).

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas
Exploitation
Unlikely (under 1%). EPSS under 1%, or no score yet.
CISA KEV
Not listed
Public check
No public nuclei template
Published
July 2026

CoverageNo articles yet

No CyberSIXT article names CVE-2026-51540 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.

References

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