flash-oss graphql-upload-minimal 1.6.1 processRequest operations.variables prototype pollution

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in flash-oss graphql-upload-minimal 1.6.1. Affected by this issue is the function processRequest. Executing a manipulation of the argument operations.variables can lead to prototype pollution. The identification of this vulnerability is CVE-2025-65587. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in flash-oss graphql-upload-minimal 1.6.1 and classified as critical. This vulnerability affects the function processRequest. The manipulation of the argument operations.variables with an unknown input leads to a prototype pollution vulnerability. The CWE definition for the vulnerability is CWE-1321. The product receives input from an upstream component that specifies attributes that are to be initialized or updated in an object, but it does not properly control modifications of attributes of the object prototype. As an impact it is known to affect confidentiality, integrity, and availability.

The advisory is shared for download at kb.cert.org. This vulnerability was named CVE-2025-65587. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/13/2026). The MITRE ATT&CK project declares the attack technique as T1059.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Prototype pollution
CWE: CWE-1321 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/13/2026 Advisory disclosed
03/13/2026 +0 days VulDB entry created
03/13/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 907705
Status: Not defined

CVE: CVE-2025-65587 (🔒)
GCVE (CVE): GCVE-0-2025-65587
GCVE (VulDB): GCVE-100-350824

Entryinfo

Created: 03/13/2026 09:03
Changes: 03/13/2026 09:03 (51)
Complete: 🔍
Cache ID: 216::103

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