CVE-2026-103275

Medium

Description

Ghost 5.42.2 before 6.58.0 contains an information disclosure vulnerability in the Admin API bulk post and page edit and delete endpoints, which accept filters on restricted fields such as authors.password, because of an incomplete fix for CVE-2026-70590. Staff-level attackers can infer other staff users' password hashes from which filters match and perform offline password-guessing attacks against them.

SeverityMedium

CVSS4.3

Exploit probability11. percentile0.2%

Product

Ghost

PublishedOct 1, 2026

First seenOct 1, 2026

Weakness typeCWE-203CWE-203

How to fix

Update

TryGhost Ghost6.58.0 or later

Patches

github.com/TryGhost/Ghost/commit/5ef16abe85e9b71ac3f1b1e2cbc462802efe3b5b

Vendor advisories

github.com/TryGhost/Ghost/security/advisories/GHSA-ghq6-q78f-2cpg

Affected products

Product	Affected versions	Fixed in
TryGhost Ghost	5.42.2 ≤ v < 6.58.0	6.58.0

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