8.7

CVE-2026-85393: digitalbazaar forge

CVSS: 8.7v4.0HighPublished
AliasesUBUNTU-CVE-2026-85393CGA-496m-8gxr-2f2pCGA-4hcc-g78p-g58p
Published 03-09-2026Last modified 03-09-2026
Open JSON

Vulnerability summary

CVE-2026-85393 is a high (CVSS 8.7) vulnerability in digitalbazaar forge. EPSS estimates a 0.33% chance of exploitation in the next 30 days, higher than 24.2% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.7/10
010
High · v4.0 (CVE.org)
EPSS score
0.33%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-09-2026
    PublishedVulnerability first disclosed.
  2. 03-09-2026
    Last modifiedVulnerability information updated.

Description

node-forge through 1.4.0 fails to validate element count in nested DigestAlgorithm sequences during RSA PKCS#1 v1.5 signature verification. Attackers can embed garbage bytes inside the DigestAlgorithm sequence to forge valid signatures for arbitrary messages using low-exponent RSA keys. This is an incomplete fix for CVE-2026-33894.

CVSS metrics

5 scores · 3 sources · 2 versions

EPSS trend

Probability

0.33%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.13 pp

From 0.20% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.33%

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

Chainguard4 products
  • jitsucom-jitsu-consoleAll versions (No fix recorded)
  • kubeflow-centraldashboardAll versions (No fix recorded)
  • kubeflow-pipelines-frontendAll versions (No fix recorded)
  • opensearch-dashboards-3All versions (No fix recorded)
Wolfi4 products
  • jitsucom-jitsu-consoleAll versions (No fix recorded)
  • kubeflow-centraldashboardAll versions (No fix recorded)
  • kubeflow-pipelines-frontendAll versions (No fix recorded)
  • opensearch-dashboards-3All versions (No fix recorded)
Digitalbazaar1 product
Ubuntu1 product
  • node-node-forgeAll versions (No fix recorded)

4 vendors · 10 products

References

10 links