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CVE-2026-78426: suse neuvector Incorrect Authorization

CVSS: 2.0v4.0LowAwaiting analysis
Published 17-09-2026Last modified 28-09-2026
Open JSON

Vulnerability summary

CVE-2026-78426 is a low (CVSS 2.0) Incorrect Authorization vulnerability in suse neuvector. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 7.8% of scored vulnerabilities.

Overall risk
8/100
0100
Minimal · default modelHow is this calculated?
CVSS score
2.0/10
010
Low · v4.0 (CVE.org)
EPSS score
0.19%
0%100%
Low · +0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-09-2026
    PublishedVulnerability first disclosed.
  2. 28-09-2026
    Last modifiedVulnerability information updated.

Description

The NeuVector JWT verifier accepts noncanonical Base64URL encodings of the same RSA signature field. An attacker holding a valid JWT that has not expired, but was logged out of NeuVector, can continue using the non-expired token with equivalent spelling of the RSA signature field until the token validity expires.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

8%

Versus all other CVEs

30-day change

+0.07 pp

From 0.12% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.19%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Suse1 product

1 vendor · 1 product

References

2 links