Vulnary
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Critical· 9.1official fix available

CVE-2026-34532

Parse Server, an open‑source backend for Node.js, had a flaw that let attackers bypass Cloud Function access controls by appending a special string to the function name. The vulnerability was fixed in version 8.6.67 and 9.7.0‑alpha.11. Users should upgrade to a patched release to protect their functions.

publishedMar 31, 2026
last modifiedJul 24, 2026
sourcesNVD
severity · cvss
9.1
critical · how bad it is
exploitation · epss
<1%
20th percentile · chance of exploitation in 30 days
(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →
auto-deletes from the system
counting…on Aug 25, 2026

An official fix is available, so this entry is kept for 30 days and then removed automatically.

01

Who is affected

Parse Server (open‑source backend) versions before 8.6.67 and 9.7.0‑alpha.11. Developers deploying Parse Server on any infrastructure that can run Node.js.

02

Real-world impact

An attacker could call protected Cloud Functions without authentication, potentially exposing data or executing arbitrary code.

03

Why this severity

The CVSS score of 9.1 reflects the high impact of bypassing authentication (high confidentiality impact) combined with low attack complexity and no user interaction, making it a critical vulnerability.

04

What to do about it

official fix available
recommended steps
  1. 01Upgrade Parse Server to version 8.6.67 or later, or to 9.7.0‑alpha.11 or later.
  2. 02Restart the Parse Server service to apply the update.

NVD-referenced vendor advisory

05

Timeline

  1. Mar 31, 2026 · Mar 31, 2026
    Published
    Disclosed and added to the National Vulnerability Database.
  2. Jul 24, 2026 · 12d ago
    Advisory updated
    The NVD record was last revised.
  3. Jul 26, 2026 · 10d ago
    Official fix available
    A vendor patch or mitigation now exists — see the remediation steps above.
06

How it’s attacked

Attack vectorNetwork (remote)
Attack complexityLow
Attack requirementsPresent
Privileges requiredNone
User interactionNone needed
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
07

References & advisories

(ai-assisted) A model wrote this summary from the official data, so double-check it against the source before you act on it. Read the official advisory →