9.8

CVE-2025-59870: hcl software myxalytics Reusing a Nonce, Key Pair in Encryption

CVSS: 9.8v3.1CriticalAnalyzed
Published 16-01-2026Last modified 21-01-2026
Open JSON

Vulnerability summary

CVE-2025-59870 is a critical (CVSS 9.8) Reusing a Nonce, Key Pair in Encryption vulnerability in hcl software myxalytics. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.27%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 16-01-2026
    PublishedVulnerability first disclosed.
  2. 21-01-2026
    Last modifiedVulnerability information updated.

Description

HCL MyXalytics  is affected by improper management of a static JWT signing secret in the web application, where the secret lacks rotation , introducing a security risk

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

+0.01 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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

Hcl software1 product
Hcltech1 product

2 vendors · 2 products

References

1 links