Description

Nebula is a scalable overlay networking tool. In versions from 1.7.0 to 1.10.2, when using P256 certificates (which is not the default configuration), it is possible to evade a blocklist entry created against the fingerprint of a certificate by using ECDSA Signature Malleability to use a copy of the certificate with a different fingerprint. This issue has been patched in version 1.10.3.

INFO

Published Date :

2026-02-06T22:55:36.011Z

Last Modified :

2026-02-06T22:55:36.011Z

Source :

GitHub_M
AFFECTED PRODUCTS

The following products are affected by CVE-2026-25793 vulnerability.

No data.

REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-25793.

URL Resource
https://github.com/slackhq/nebula/commit/f573e8a26695278f9d71587390fbfe0d0933aa21 cve-icon cve-icon
https://github.com/slackhq/nebula/security/advisories/GHSA-69x3-g4r3-p962 cve-icon cve-icon
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