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CVE-2026-70595: tryghost ghost Server-Side Request Forgery (SSRF)

CVSS: 4.0v3.1MediumDeferred
AliasesGHSA-x5mm-wm4g-j5xvBIT-ghost-2026-70595
Published 05-08-2026Last modified 06-08-2026
Open JSON

Vulnerability summary

CVE-2026-70595 is a medium (CVSS 4.0) Server-Side Request Forgery (SSRF) vulnerability in tryghost ghost. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19% of scored vulnerabilities.

Overall risk
16/100
0100
Low · default modelHow is this calculated?
CVSS score
4.0/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.28%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 05-08-2026
    PublishedVulnerability first disclosed.
  2. 06-08-2026
    Last modifiedVulnerability information updated.

Description

Ghost is a Node.js content management system. From 6.26.0 until 6.54.1, a validation issue allowed some functionality, such as Webmentions, to be abused by an unauthenticated user to make limited HTTP requests to hosts in the Ghost server's internal network. A successful attack would not result in any response data being returned. This vulnerability is fixed in 6.54.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.28%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

+0.10 pp

From 0.18% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.28%

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≥ 6.26.0, < 6.54.1
Tryghost1 product
  • ghost≥ 6.26.0, < 6.54.1

2 vendors · 2 products

References

2 links