How severe is CVE-2026-34604?

CVE-2026-34604 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.

Is CVE-2026-34604 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-34604?

CVE-2026-34604 affects Ssw Tinacms/graphql. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-34604?

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-2026-34604 have an EU (EUVD) identifier?

Yes. CVE-2026-34604 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17965.

When was CVE-2026-34604 published?

CVE-2026-34604 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2026-34604

CVE-2026-34604 is a high-severity vulnerability in Ssw Tinacms/graphql with a CVSS 3.x base score of 7.1. 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 7.1)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-17965
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, @tinacms/graphql uses string-based path containment checks in FilesystemBridge. That blocks plain ../ traversal, but it does not resolve symlink or junction targets. If a symlink/junction already exists under the allowed content root, a path like content/posts/pivot/owned.md is still considered "inside" the base even though the real filesystem target can be outside it. As a result, FilesystemBridge.get(), put(), delete(), and glob() can operate on files outside the intended root. This issue has been patched in version 2.2.2.

Frequently asked questions

What is CVE-2026-34604?: Tina is a headless content management system. Prior to version 2.2.2, @tinacms/graphql uses string-based path containment checks in FilesystemBridge. That blocks plain ../ traversal, but it does not resolve symlink or junction targets. If a symlink/junction already exists under the allowed content root, a path like content/posts/pivot/owned.md is still considered "inside" the base even though the real filesystem target can be outside it. As a result, FilesystemBridge.get(), put(), delete(), and glob() can operate on files outside the intended root. This issue has been patched in version 2.2.2.
How severe is CVE-2026-34604?: CVE-2026-34604 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability low.
Is CVE-2026-34604 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-34604?: CVE-2026-34604 affects Ssw Tinacms/graphql. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-34604?: 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-2026-34604 have an EU (EUVD) identifier?: Yes. CVE-2026-34604 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-17965.
When was CVE-2026-34604 published?: CVE-2026-34604 was published on 2026-04-01 and last updated on 2026-06-17.

References

Affected products (1)

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

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