Dashboard / CVE-2026-114403

CVE-2026-114403

CRITICAL
INFO Priority: 0.06 BB Relevance: 79/100
Published: 2026-10-21 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
AT: Present
VC: High
VI: High
VA: High

Description

PHPOffice PHPPresentation through 1.2.0 contains an insecure deserialization vulnerability that allows attackers to instantiate arbitrary PHP objects by supplying a crafted presentation file. Attackers can upload a ZIP containing PhpPresentation.xml that IOFactory::load passes to unserialize(), enabling gadget-chain code execution, file writes, or denial of service.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
PHPOffice PHPPresentation 0
PHPOffice PHPPresentation 0

References & Advisories (5)

Bug Bounty Relevance

79 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.2 / 10.0 v4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

EPSS — Exploitation Probability

0.70%
Raw Score 0.007030
Percentile 53.2%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00703
2026-10-28
0.00477

Intelligence Sources

mitre ref →
nvd ref →

External Links