CVE-2026-32269
published 2026-03-12CVE-2026-32269: 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.13 and 8.6.39, the OAuth2…
PriorityP340medium6.5CVSS 3.1
AVNACLPRNUINSUCLILAN
EPSS
0.28%
19.3th percentile
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.13 and 8.6.39, the OAuth2 authentication adapter does not correctly validate app IDs when appidField and appIds are configured. During app ID validation, a malformed value is sent to the token introspection endpoint instead of the user's actual access token. Depending on the introspection endpoint's behavior, this could either cause all OAuth2 logins to fail, or allow authentication from disallowed app contexts if the endpoint returns valid-looking data for the malformed request. Deployments using the OAuth2 adapter with appidField and appIds configured are affected. This vulnerability is fixed in 9.6.0-alpha.13 and 8.6.39.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| parse-community | parse-server | — | — |
| parse-community | parse-server | — | — |
| parse-community | parse-server | >= 8.0.2 < 8.6.39 | 8.6.39 |
| parse-community | parse-server | >= 9.0.0 < 9.6.0-alpha.13 | 9.6.0-alpha.13 |
| parseplatform | parse-server | — | — |
| parseplatform | parse-server | >= 8.0.2 < 8.6.39 | 8.6.39 |
| parseplatform | parse-server | >= 9.0.0 < 9.6.0 | 9.6.0 |
CVSS provenance
nvdv3.16.5MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
nvdv4.06.3MEDIUMCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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GHSA
Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
ghsa·2026-03-13
CVE-2026-32269 [MEDIUM] CWE-683 Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
### Impact
The OAuth2 authentication adapter does not correctly validate app IDs when `appidField` and `appIds` are configured. During app ID validation, a malformed value is sent to the token introspection endpoint instead of the user's actual access token. Depending on the introspection endpoint's behavior, this could either cause all OAuth2 logins to fail, or allow authentication from disallowed app contexts if the endpoint returns valid-looking data for the malformed request.
Deployments using the OAuth2 adapter with `appidField` and `appIds` configured are affected.
### Patches
The fix corrects the parameter alignment in the OAuth2 adapter's app ID validation method to match the expected int
OSV
Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
osv·2026-03-13
CVE-2026-32269 [MEDIUM] Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
Parse Server OAuth2 adapter app ID validation sends wrong token to introspection endpoint
### Impact
The OAuth2 authentication adapter does not correctly validate app IDs when `appidField` and `appIds` are configured. During app ID validation, a malformed value is sent to the token introspection endpoint instead of the user's actual access token. Depending on the introspection endpoint's behavior, this could either cause all OAuth2 logins to fail, or allow authentication from disallowed app contexts if the endpoint returns valid-looking data for the malformed request.
Deployments using the OAuth2 adapter with `appidField` and `appIds` configured are affected.
### Patches
The fix corrects the parameter alignment in the OAuth2 adapter's app ID validation method to match the expected int
No detection rules found.
No public exploits indexed.
2026-03-12
Published