CVE-2026-121414
Parse Server before 8.6.110 and 9.0.0 before 9.10.6-alpha.2 Denial of Service via afterSave Pointer Update
CVSS Score
5.9
EPSS Score
0.0%
EPSS Percentile
0th
Parse Server before 8.6.110 and 9.0.0 before 9.10.6-alpha.2 fails to contain a serialization error when an object update uses a dot notation key targeting a pointer field's object identifier on a class with an afterSave trigger. Attackers, including unauthenticated clients when objects are writable without a session, can send such an update to crash the Node process.
| CWE | CWE-248 |
| Vendor | parse-community |
| Product | parse-server |
| Published | Nov 3, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Affected Versions
parse-community / parse-server
9.0.0 < 9.10.6-alpha.2
parse-community / parse-server
0 < 8.6.110
References
github.com: https://github.com/parse-community/parse-server/security/advisories/GHSA-wc3c-6843-q7mv github.com: https://github.com/parse-community/parse-server/pull/10802 github.com: https://github.com/parse-community/parse-server/pull/10803 vulncheck.com: https://www.vulncheck.com/advisories/parse-server-before-8.6.110-and-9.0.0-before-9.10.6-alpha.2-denial-of-service-via-aftersave-pointer-update
Credits
mtrezza