SCA: security update for github.com/slackhq/nebula (GHSA-69x3-g4r3-p962)

high Tenable Cloud Security Plugin ID 437624

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- 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. (CVE-2026-25793)

See Also

https://github.com/advisories/GHSA-69x3-g4r3-p962

Plugin Details

Severity: High

ID: 437624

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 2/7/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.59

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: High

Base Score: 8.5

Temporal Score: 6.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:N

CVSS Score Source: CVE-2026-25793

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 7.6

Threat Score: 4.9

Threat Vector: CVSS:4.0/E:U

Vector: 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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/6/2026

Vulnerability Publication Date: 2/6/2026

Reference Information

CVE: CVE-2026-25793

cwe: CWE-347