CVE-2026-121414
Parse Server before 8.6.110 and 9.0.0 before 9.10.6-alpha.2 fails to contain a serialization error…
- Risk score
- 41/100
- CVSS
- 5.9 v3.1
- Exploit chance (30 days)
- 0.3%
- Published
- 3 Nov 2026
Open in the live forecast Today's forecast
What to know
- What it is
- 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, …
- Affected
- See advisory
- Fix
- Upgrade the product to 8.6.110, 9.0.0 or 9.10.6 (whichever matches your release line), or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 5.9 medium
References
- https://github.com/parse-community/parse-server/pull/10802
- https://github.com/parse-community/parse-server/pull/10803
- https://github.com/parse-community/parse-server/security/advisories/GHSA-wc3c-6843-q7mv
- 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
Original description
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.
Last activity 3 Nov 2026. Patch Forecast updates every hour.