Is CVE-2026-103282 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-103282 being exploited in the wild.

How severe is CVE-2026-103282?

Medium severity, with a CVSS score of 4.3, published 1 October 2026.

Which products and versions are affected?

TryGhost Ghost 0.5.0 through 6.22.x.

Is there a fix for CVE-2026-103282?

Yes: fixed in 6.23.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-103282 attacked?

It is attacked over the network.

Am I affected by CVE-2026-103282?

Check whether you run TryGhost Ghost at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-103282: Ghost race condition in staff invitation acceptance mechanism

CVE-2026-103282 · Severity: medium · CVSS 4.3 · Published 2026-10-01

Ghost, a content management system and blogging platform, contains a race condition in its staff invitation system. An attacker can exploit this flaw by sending concurrent requests with the same invitation token to create multiple user accounts from a single invitation, potentially enabling unauthorized account creation and system compromise.

Technologies: TryGhost Ghost. Vendors: TryGhost.

Quick answers

Is CVE-2026-103282 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-103282 being exploited in the wild.
How severe is CVE-2026-103282?: Medium severity, with a CVSS score of 4.3, published 1 October 2026.
Which products and versions are affected?: TryGhost Ghost 0.5.0 through 6.22.x.
Is there a fix for CVE-2026-103282?: Yes: fixed in 6.23.0. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-103282 attacked?: It is attacked over the network.
Am I affected by CVE-2026-103282?: Check whether you run TryGhost Ghost at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

Fixed in: 6.23.0

Technical details

A race condition exists in Ghost's staff invitation acceptance endpoint that fails to properly synchronize concurrent requests using the same invitation token. An attacker with knowledge of a valid invitation token can submit multiple simultaneous requests to bypass the single-use validation, resulting in creation of duplicate user accounts. The vulnerability requires low privileges and network access but no user interaction.

Affected products

TryGhost Ghost 0.5.0 through 6.22.x

Timeline

2026-08-12: disclosed
2026-10-01: advisory

References

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