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Vulnerabilities

Vulnerability · CVE-2026-27886

Strapi is an open source headless content management system.

Published May 14, 2026 · catalog updated Jun 17, 2026 · Strapi is an open

Check if you run it

No confirmed exploitation is on record for CVE-2026-27886. EPSS is 2.52%. Act only if a listed version of Strapi is an open is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Strapi is an open).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.2
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.52%
Remediation
Advisory link
Affected products
cpe strapi/strapi

Strapi is an open source headless content management system. Strapi versions starting in 4.0.0 and prior to 5.37.0 did not sufficiently sanitize query parameters when filtering content via relational fields. An unauthenticated attacker could use the query parameter on any publicly-accessible content-type with an (or other admin-relation) field to perform a boolean-oracle attack against private fields on the joined table, including the field. Extracting an admin reset token via this oracle made full administrative account takeover possible without authentication. When a filter such as was applied to a public Content API endpoint, the underlying query generation performed a against the table and emitted a clause referencing the joined column. The query parameter sanitization layer did not block operator chains that traversed into relational target schemas the caller had no read permission on, allowing the response count to be used as a one-bit oracle on any admin-table field. The patch in version 5.37.0 introduces explicit query-parameter sanitization at the controller and service boundary via three new primitives: , , and . Operator chains that traverse into restricted relational targets are now rejected before reaching the database.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe strapi/strapiversion unspecified

How to fix CVE-2026-27886

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-27886. EPSS is 2.52%. Act only if a listed version of Strapi is an open is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-200: Exposure of Sensitive Information; CWE-22: Path Traversal; CWE-943. EPSS 2.52%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 14, 2026 · NIST NVD

    Detected

    Strapi is an open source headless content management system. Strapi versions starting in 4.0.0 and prior to 5.37.0 did not sufficiently sanitize query parameters when filtering content via relational fields. An unauthenticated attacker could use the query parameter on any publicly-accessible content-type with an (or other admin-relation) field to perform a boolean-oracle attack against private fie

  2. Jun 17, 2026 · NIST NVD

    Updated

    Strapi is an open source headless content management system. Strapi versions starting in 4.0.0 and prior to 5.37.0 did not sufficiently sanitize query parameters when filtering content via relational fields. An unauthenticated attacker could use the query parameter on any publicly-accessible content-type with an (or other admin-relation) field to perform a boolean-oracle attack against private fie

Sources

  • CVE.orgVulnerability recordCVE-2026-27886

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-27886

    30-day exploitation probability 2.5%

    first.org
  • NIST NVDVulnerability recordCVE-2026-27886

    Strapi is an open source headless content management system. Strapi versions starting in 4.0.0 and prior to 5.37.0 did not sufficiently sanitize query parameters when filtering content via relational fields. An unauthenticated attacker could use the query parameter on any

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.