CVE-2026-31875
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.7 and 8.6.33, when multi-factor authentication (MFA) via TOTP is enabled for a user account, Parse Server generates two single-use recovery codes. These codes are intended as a fallback when the user cannot provide a TOTP token. However, recovery codes are not consumed after use, allowing the same recovery code to be used an unlimited number of times. This defeats the single-use design of recovery codes and weakens the security of MFA-protected accounts. An attacker who obtains a single recovery code can repeatedly authenticate as the affected user without the code ever being invalidated. This vulnerability is fixed in 9.6.0-alpha.7 and 8.6.33.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
parse-servernpm | >= 9.0.0-alpha.1, < 9.6.0-alpha.7 | 9.6.0-alpha.7 |
parse-servernpm | < 8.6.33 | 8.6.33 |
Affected products
10cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*+ 6 more
- cpe:2.3:a:parseplatform:parse-server:*:*:*:*:*:node.js:*:*range: <8.6.33
- cpe:2.3:a:parseplatform:parse-server:9.6.0:alpha1:*:*:*: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:*:*
- osv-coords2 versions
< 8.6.33+ 1 more
- (no CPE)range: < 8.6.33
- (no CPE)range: >= 9.0.0-alpha.1, < 9.6.0-alpha.7
- Range: >= 9.0.0 < 9.6.0-alpha.7
Patches
Vulnerability mechanics
References
5- github.com/parse-community/parse-server/security/advisories/GHSA-4hf6-3x24-c9m8nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-4hf6-3x24-c9m8ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-31875ghsaADVISORY
- github.com/parse-community/parse-server/releases/tag/8.6.33nvdProductRelease NotesWEB
- github.com/parse-community/parse-server/releases/tag/9.6.0-alpha.7nvdProductRelease NotesWEB
News mentions
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