craftcms cms Incorrect Authorization Flaw (CVE-2026-112776) Rated CVSS 9.3
A newly published critical vulnerability in craftcms cms carries a CVSS score of 9.3. Here is what is affected and how to respond.
Key points
- CVE-2026-112776 affects craftcms cms.
- CVSS 9.3 (Critical).
- No exploitation confirmed yet.
A critical incorrect authorization tracked as CVE-2026-112776 has been published in the National Vulnerability Database for craftcms cms, with a CVSS base score of 9.3.
At a glance
- CVE
- CVE-2026-112776
- Product
- craftcms cms
- CVSS
- 9.3 Critical
- Weakness
- incorrect authorization
- Exploited
- No known exploitation
What is the vulnerability?
The NVD entry states: Craft CMS from 5.0.0 before 5.11.0 contains an authorization bypass vulnerability that allows site-scoped GraphQL tokens to mutate other sites' content because requireAllowedSite() is not enforced. Attackers holding a site-A token can create entries in site B via supplied siteId and delete entries, categories, tags, and assets shared across sites.
Affected versions
| Vendor | Product | Versions |
|---|---|---|
| Craftcms | cms | before 5.11.0 |
Is it being exploited?
There is no public confirmation of exploitation at the time of publication. It does not appear in CISA's Known Exploited Vulnerabilities catalog. We will update this report if that changes.
What should you do?
- Identify whether the affected product and versions run in your environment.
- Apply the vendor update listed in the advisory as soon as it is available.
- Limit network exposure of the affected service until it is patched.
- Monitor the vendor advisory for updated guidance or exploitation reports.
What to do and how to stay safe: CVE-2026-112776
- Vulnerability severity scores ignore your specific architecture and context.
- Exploitability depends on network exposure and user behavior, not just code flaws.
- Prioritization requires continuous asset inventory and threat intelligence alignment.
Risk-based vulnerability management focuses your limited resources on the flaws that actually threaten your business. Start by mapping your critical assets and checking for active exploits to prioritize your backlog.
Step-by-step guide: Risk-Based Vulnerability Management: Prioritize Fixes by Actual Danger
General security guidance from the Threat Times newsroom. It is not confirmed advice from the organisations named in this story.
Frequently asked questions
What is CVE-2026-112776?
CVE-2026-112776 is a incorrect authorization vulnerability in craftcms cms.
How severe is CVE-2026-112776?
It has a CVSS score of 9.3 Critical.
Is CVE-2026-112776 being exploited?
There is no public confirmation of exploitation at the time of publication.
