HOMEVULNERABILITIESCVE-2026-30291
HIGH

CVE-2026-30291

CWE-73Published: April 1, 2026· Updated: Apr 3, 2026

8.4
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.3th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-30291 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.4.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

→
https://github.com/Secsys-FDU/AF_CVEs/issues/18
→
https://oratools.github.io/
→
https://play.google.com/store/apps/details?id=pdf.reader.editor.office.ora
→
https://secsys.fudan.edu.cn/

Quick Facts

CVE IDCVE-2026-30291
CVSS Score8.4 / 10
SeverityHIGH
WeaknessCWE-73
CISA KEVNo
EPSS (30d)0.01%
PublishedApr 1, 2026

Related CVEs (CWE-73)

CVE-2026-27211
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CVE-2026-28286
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CVE-2026-47643
9.8
CVE-2026-11526
9.8
CVE-2025-71334
9.8
CVE-2025-71333
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-30291 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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