Is this vulnerability remotely exploitable?

Yes. An attacker who can reach the Parse Server file download endpoint over the network and knows or can guess file URLs or identifiers can attempt to exploit the vulnerability using crafted HTTP Range requests.

What level of access does an attacker need?

The attacker generally needs only network access to the file download endpoint; explicit authentication may not be required if the endpoint is reachable and relies on triggers or validators for protection. If protected files are identifiable or guessable, they may be retrieved without proper authorization.

What is the safest general fix pattern?

The most robust fix is to centralize file access control so that every download path—standard, streaming, and Range-based—passes through the same authorization checks, independent of HTTP headers or adapter implementations. Avoid maintaining separate or optional code paths that can serve file content without revalidating permissions.

Severity:

HIGH RISK

(7.5)

Authorization Bypass in HTTP Range File Downloads (CWE-285) in Parse Server Streaming Adapters

CVE-2026-34784

Published:

Mar 31, 2026

Status:

Analyzed

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

NDV

Recent Vulnerabilities

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

Remote Code Execution on the Router

April 6, 2026

CWE-77;CWE-78

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Remote Code Execution on Router Firmware

April 6, 2026

Vulnerability Type

Category:

Authorization Bypass

CWE:

CWE-285

Impact:

Unauthorized Access to Protected Files

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

Vulnerability Type

Category:

Authorization Bypass

CWE:

CWE-285

Impact:

Unauthorized Access to Protected Files

Severity:

HIGH RISK

(7.5)

CVSS Version:

3.1

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355 Bryant St. San Francisco, CA 94107, USA

Ask AI for summary of CodeAnt

Authorization Bypass in HTTP Range File Downloads (CWE-285) in Parse Server Streaming Adapters

Summary

Affected Context

Exploit Preconditions

Why This Happens

Potential Impact

General Mitigation Guidance

How Teams Detect Issues Like This

Frequently Asked Questions

Source

Recent Vulnerabilities

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setGameSpeedCfg CGI Handler

HIGH RISK

HIGH

(7.3)

OS Command Injection (CWE-78) in Totolink A7100RU setFirewallType Handler

Vulnerability Type

Vulnerability Type

Vulnerability Type

Catch This CVE While Code Is Being Written

Ship clean & secure code faster

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