CVE-2026-29182 json
Parse Server: Cloud Hooks and Cloud Jobs bypass `readOnlyMasterKey` write restriction
published 2026-03-05 8 mo ago modified 2026-09-08 2 mo ago also BIT-parse-2026-29182 , EUVD-2026-10058 , GHSA-vc89-5g3r-cmhh
- cvss
- 7.2
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 37%
- public exploits
- 0
- none known
Summary
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.4 and 9.4.1-alpha.3, Parse Server's readOnlyMasterKey option allows access with master-level read privileges but is documented to deny all write operations. However, some endpoints incorrectly accept the readOnlyMasterKey for mutating operations. This allows a caller who only holds the readOnlyMasterKey to create, modify, and delete Cloud Hooks and to start Cloud Jobs, which can be used for data exfiltration. Any Parse Server deployment that uses the readOnlyMasterKey option is affected. Note than an attacker needs to know the readOnlyMasterKey to exploit this vulnerability. This issue has been patched in versions 8.6.4 and 9.4.1-alpha.3.
Patch / fix
- npm parse-server 8.6.4, 9.4.1-alpha.3
- bitnami parse 9.4.1
- parseplatform parse-server 8.6.4, 9.4.1-alpha.3
- parseplatform parse_server 8.6.4, 9.4.1-alpha.3
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 8 mo ago
Exploit prediction
0.43% chance of exploitation in the next 30 days, higher than 37% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 4.0 | 8.6 | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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 |
| NVD | 3.1 | 7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | parse-server | >=9.0.0, <9.4.1-alpha.3 <8.6.4 |
9.4.1-alpha.3 8.6.4 |
| bitnami | parse | <9.4.1 |
9.4.1 |
Affected products
- parse-community parse-server
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
github.com
/parse-community/parse-server/releases/tag/8.6.4
web, patch, release-notes
-
github.com
/parse-community/parse-server/releases/tag/9.4.1-alpha.3
web, patch, release-notes
-
github.com
/parse-community/parse-server/security/advisories/GHSA-vc89-5g3r-cmhh
web, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2026-29182
advisory, web
-
github.com
/parse-community/parse-server
package
Sources
- CVE List CVE-2026-29182
- GitHub Advisory GHSA-vc89-5g3r-cmhh
- NVD CVE-2026-29182
- OSV BIT-parse-2026-29182
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.