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CVE-2025-70023: Critical Vulnerability in transloadit uppy

A critical vulnerability (CVE-2025-70023) has been identified in transloadit uppy v0.25.6. With a CVSS score of 9.8, this vulnerability poses high risks concerning confidentiality, integrity, and availability. Immediate action is required for remediation.

CRITICALCVSS 9.8 · Published April 14, 2026

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CVE-2025-70023 is a critical vulnerability impacting transloadit uppy version 0.25.6. The CVSS score of 9.8 indicates a serious threat that organizations must address immediately. This vulnerability allows unauthorized access to sensitive resources, which could severely compromise the confidentiality, integrity, and availability of affected systems.

The vulnerability arises from an issue related to CWE-843: Access of Resource Using Incompatible Type, which can lead to unauthorized access and manipulation of sensitive data.

Given the severity of this vulnerability, organizations should prioritize patching immediately. The attack vector is classified as NETWORK with low attack complexity, meaning that no privileges or user interactions are required for exploitation.

Organizations need to understand the real-world risk context associated with this vulnerability. Attackers may leverage this flaw to gain access to sensitive information or disrupt system availability, posing a significant threat to organizational operations.

Vulnerability Details

CVE-2025-70023 is characterized as a critical vulnerability with a base score of 9.8, as per CVSS version 3.1. The official description notes that an issue pertaining to CWE-843 was discovered in transloadit uppy v0.25.6. The vulnerability affects the confidentiality, integrity, and availability of the system, thus requiring immediate attention.

With a CVSS score of 9.8, the severity is classified as critical, indicating that the vulnerability poses a significant risk to systems using this version of transloadit uppy. Organizations must assess their exposure and take steps to mitigate the risks associated with this vulnerability.

Technical Analysis

The root cause of this vulnerability lies in the improper handling of resource access, which is classified under CWE-843. The attack vector is via NETWORK, and the attack complexity is low. No privileges are required to exploit this vulnerability, nor is user interaction necessary, making it particularly dangerous.

The impacts of this vulnerability are severe, with high confidentiality, integrity, and availability impact scores, indicating that sensitive data could be accessed, altered, or made unavailable without proper authorization.

Risk & Impact Analysis

Risk to organizations includes unauthorized data access and potential system outages, significantly impacting business operations. The vulnerability's high CVSS score of 9.8 indicates that it is not only critical but also exploitable in a network environment, which adds to its urgency.

Given the critical nature of this vulnerability, organizations should prioritize patching immediately. The potential blast radius is extensive, affecting multiple systems and users if left unaddressed.

Exploitation Status

Signal

Status

Known Exploit

No

Public PoC

No

Actively Exploited

No

Ransomware Use

No

Affected Versions

The affected version is transloadit uppy v0.25.6. If version information is missing, organizations should assume that all versions prior to the vendor patch are affected.

Mitigation & Remediation

Organizations should urgently apply patches provided by the vendor to remediate this vulnerability. If a patch is not available, consider implementing workarounds to mitigate the risk. For comprehensive security evaluation, organizations can utilize penetration testing services to identify potential vulnerabilities in their systems.

Detection Guidance

Organizations should monitor logs for unusual access patterns and behavioral anomalies that may indicate exploitation attempts. Additionally, network signatures should be established to detect unauthorized access or manipulation of sensitive resources.

AppSecure Threat Intelligence Insight

CVE-2025-70023 highlights the ongoing challenges organizations face with resource access vulnerabilities. Security teams should remain vigilant regarding similar patterns in their applications and infrastructure. To enhance defense mechanisms, organizations should consider strategies such as cloud security assessments, combined with a robust penetration testing strategy, to identify and mitigate potential vulnerabilities proactively.

Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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