VDB-354682 · CVE-2026-30291 · ID 18

Ora Tools PDF Reader App 4.3.5 access control

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 (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.3	$0-$5k	0.11

Summaryinfo

A vulnerability was found in Ora Tools PDF Reader App 4.3.5. It has been declared as critical. This impacts an unknown function. Executing a manipulation can lead to access control. This vulnerability is tracked as CVE-2026-30291. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability classified as critical was found in Ora Tools PDF Reader App 4.3.5. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An arbitrary file overwrite vulnerability in Ora Tools PDF Reader ' Reader & Editor APPv4.3.5 allows attackers to overwrite critical internal files via the file import process, leading to arbitrary code execution or information exposure.

The advisory is available at secsys.fudan.edu.cn. This vulnerability was named CVE-2026-30291 since 03/04/2026. The exploitation appears to be easy. Local access is required to approach this attack. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-17891). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Ora Tools

Name

PDF Reader App

Version

4.3.5

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/04/2026 CVE reserved
04/01/2026 +27 days Advisory disclosed
04/01/2026 +0 days VulDB entry created
04/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: 18
Status: Not defined

CVE: CVE-2026-30291 (🔒)
GCVE (CVE): GCVE-0-2026-30291
GCVE (VulDB): GCVE-100-354682
EUVD: 🔒

Entryinfo

Created: 04/01/2026 17:47
Updated: 04/01/2026 19:32
Changes: 04/01/2026 17:47 (53), 04/01/2026 19:32 (1)
Complete: 🔍
Cache ID: 216:99E:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.