4.1

CVE-2026-70591: tryghost ghost Server-Side Request Forgery (SSRF)

CVSS: 4.1v3.1MediumDeferred
AliasesGHSA-gcvv-72q8-9v76BIT-ghost-2026-70591
Published 04-08-2026Last modified 05-08-2026
Open JSON

Vulnerability summary

CVE-2026-70591 is a medium (CVSS 4.1) Server-Side Request Forgery (SSRF) vulnerability in tryghost ghost. EPSS estimates a 0.37% chance of exploitation in the next 30 days, higher than 29.2% of scored vulnerabilities.

Overall risk
16/100
0100
Low · default modelHow is this calculated?
CVSS score
4.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.37%
0%100%
Low · +0.14 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-08-2026
    PublishedVulnerability first disclosed.
  2. 05-08-2026
    Last modifiedVulnerability information updated.

Description

Ghost is a Node.js content management system. From 0.10.0 until 6.54.1, a Server-Side Request Forgery in Ghost Admin image fetching allowed any staff-level user to perform a blind HTTP GET request against internal hosts. No output was returned, but this could have been used to probe open ports on internal hosts. This issue is fixed in version 6.54.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.37%

Chance of exploitation in the next 30 days

Percentile

29%

Versus all other CVEs

30-day change

+0.14 pp

From 0.23% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.37%

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

Npm1 product
  • ghost≥ 0.10.0, < 6.54.1
Tryghost1 product
  • ghost≥ 0.10.0, < 6.54.1

2 vendors · 2 products

References

4 links