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Medium severity5.3NVD Advisory· Published Mar 18, 2026· Updated Jun 17, 2026

CVE-2026-33042

CVE-2026-33042

Description

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 9.6.0-alpha.29 and 8.6.49, a user can sign up without providing credentials by sending an empty authData object, bypassing the username and password requirement. This allows the creation of authenticated sessions without proper credentials, even when anonymous users are disabled. The fix in 9.6.0-alpha.29 and 8.6.49 ensures that empty or non-actionable authData is treated the same as absent authData for the purpose of credential validation on new user creation. Username and password are now required when no valid auth provider data is present. As a workaround, use a Cloud Code beforeSave trigger on the _User class to reject signups where authData is empty and no username/password is provided.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

PackageAffected versionsPatched versions
parse-servernpm
>= 9.0.0, < 9.6.0-alpha.299.6.0-alpha.29
parse-servernpm
< 8.6.498.6.49

Affected products

32
  • Parseplatform/Parse Server29 versions
    cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*+ 28 more
    • cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*range: <8.6.49
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha10:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha11:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha12:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha13:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha14:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha15:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha16:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha17:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha18:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha19:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha1:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha20:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha21:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha22:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha23:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha24:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha25:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha26:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha27:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha28:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha2:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha3:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha4:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha5:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha6:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha7:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha8:*:*:*:node.js:*:*
    • cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha9:*:*:*:node.js:*:*
  • osv-coords2 versions
    pkg:bitnami/parsepkg:npm/parse-server
    < 8.6.49+ 1 more
    • (no CPE)range: < 8.6.49
    • (no CPE)range: >= 9.0.0, < 9.6.0-alpha.29
  • Parse Community/Parse Serverv5
    Range: >= 9.0.0, < 9.6.0-alpha.29

Patches

Vulnerability mechanics

References

5

News mentions

0

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