CVE-2026-25793
Blocklist Bypass possible via ECDSA Signature Malleability in github.com/slackhq/nebula
EPSS 0.01%
Description
Blocklist Bypass possible via ECDSA Signature Malleability in github.com/slackhq/nebula
How to fix CVE-2026-25793
To remediate CVE-2026-25793, upgrade the affected package to a fixed version below.
- Go/github.com/slackhq/nebula—upgrade to 1.10.3 or later
- Go/github.com/slackhq/nebula—upgrade to 1.10.3 or later
Is CVE-2026-25793 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 1.7.0, < 1.10.3
- >= 1.7.0, < 1.10.3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N |