How severe is CVE-2026-33949?

CVE-2026-33949 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2026-33949 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-33949?

CVE-2026-33949 affects Ssw Tinacms/graphql. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-33949?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-33949 have an EU (EUVD) identifier?

Yes. CVE-2026-33949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17961.

When was CVE-2026-33949 published?

CVE-2026-33949 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2026-33949

CVE-2026-33949 is a high-severity vulnerability in Ssw Tinacms/graphql with a CVSS 3.x base score of 8.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.1)
EPSS exploit prediction: 0% (31st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17961
Weakness: CWE-22
Affected product: Ssw Tinacms/graphql
Published: 2026-04-01
Last modified: 2026-06-17

Description

Tina is a headless content management system. Prior to version 2.2.2, a path traversal vulnerability in @tinacms/graphql allows unauthenticated users to write and overwrite arbitrary files within the project root. This is achieved by manipulating the relativePath parameter in GraphQL mutations. The impact includes the ability to replace critical server configuration files and potentially execute arbitrary commands by sabotaging build script. This issue has been patched in version 2.2.2.

Frequently asked questions

What is CVE-2026-33949?: Tina is a headless content management system. Prior to version 2.2.2, a path traversal vulnerability in @tinacms/graphql allows unauthenticated users to write and overwrite arbitrary files within the project root. This is achieved by manipulating the relativePath parameter in GraphQL mutations. The impact includes the ability to replace critical server configuration files and potentially execute arbitrary commands by sabotaging build script. This issue has been patched in version 2.2.2.
How severe is CVE-2026-33949?: CVE-2026-33949 has a CVSS 3.x base score of 8.1, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2026-33949 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (31st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-33949?: CVE-2026-33949 affects Ssw Tinacms/graphql. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-33949?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-33949 have an EU (EUVD) identifier?: Yes. CVE-2026-33949 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17961.
When was CVE-2026-33949 published?: CVE-2026-33949 was published on 2026-04-01 and last updated on 2026-06-17.

References

https://github.com/tinacms/tinacms/security/advisories/GHSA-v9p7-gf3q-h779

Affected products (1)

cpe:2.3:a:ssw:tinacms\/graphql:*:*:*:*:*:node.js:*:*

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