CVE-2023-36884-MS-Office-HTML-RCE

CVE-2023-36884: MS Office HTML RCE with crafted documents On July 11, 2023, Microsoft released a patch aimed at addressing multiple actively exploited Remote Code Execution RCE vulnerabilities. This action also shed light on a phishing campaign orchestrated by a threat actor known as Storm-0978,...

openSUSE 16: libreoffice / libreoffice-base / etc (openSUSE-SU-2026:22216-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:22216-1 advisory. Changes in libreoffice: - Upgrade to 26.8.1.1. - Perfect spec file sync between Factory, SLE and Leap 16.X. - Update to LibreOffice 26.2.5.1 was...

Astra Linux – vulnerability in dovecot

Dovecot has provided a script for use in text conversion. This script mishandles zip-style attachments in a unsafe manner. An attacker can use specially crafted OOXML documents to cause unintended files on the system to be indexed and subsequently appear in FTS indexes. Do not use the provided...

CVE-2026-109290 Open WebUI 0.11.1 before 0.11.4 Stored XSS via DOCX Preview

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing...

CVE-2026-109290 Open WebUI 0.11.1 before 0.11.4 Stored XSS via DOCX Preview

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing...

CVE-2026-109290 Open WebUI 0.11.1 before 0.11.4 Stored XSS via DOCX Preview

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing...

CVE-2026-109290

Open WebUI versions 0.11.1 before 0.11.4 are susceptible to a stored cross-site scripting (XSS) vulnerability in the DocxPreview.svelte component. An authenticated attacker can execute arbitrary scripts by uploading a specially crafted DOCX attachment containing an OOXML altChunk HTML part or a s...

PT-2026-110707

Name of the Vulnerable Software and Affected Versions Open WebUI versions 0.11.1 through 0.11.3 Description Authenticated users can execute scripts by uploading crafted DOCX attachments. The issue resides in DocxPreview.svelte and occurs when attackers embed an OOXML altChunk HTML part or a...

CVE-2026-109290: Improper Neutralization of Input During Web Page Generation

Open WebUI from 0.11.1 before 0.11.4 contains a stored cross-site scripting vulnerability in DocxPreview.svelte that allows authenticated users to execute script by uploading crafted DOCX attachments. Attackers can embed an OOXML altChunk HTML part or script-scheme hyperlink to steal a previewing...

Rocky Linux 8 [CIQ] Security Update: libreoffice-calc-debuginfo / libreoffice-core-debuginfo / etc (crlsa-2026_28922)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202628922 advisory. LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents CVE-2026-4430 Tenable has extracted the preceding description block directly from the CIQ...

Rocky Linux 9 [CIQ] Security Update: autocorr-af / autocorr-bg / autocorr-ca / autocorr-cs / autocorr-da / etc (crlsa-2026_28290)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202628290 advisory. LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents CVE-2026-4430 Tenable has extracted the preceding description block directly from the CIQ...

WS-2026-0093

Open WebUI 0.11.1 through 0.11.3: the DOCX attachment preview src/lib/components/common/DocxPreview.svelte rendered uploaded documents with docx-preview defaults, which inline a document-supplied HTML part OOXML altChunk into an unsandboxed same-origin iframe and keep document-supplied link targe...

ANT-2026-0HC68EK6 · LibreOffice · Heap Buffer Overflow

oob-write medium CVE-2026-6047 Severity Claude medium · Security research firm medium · Maintainer medium Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-0HC68EK6: Heap Buffer Overflow via Unsa...

LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents

A flaw was found in LibreOffice. A remote attacker could exploit this out-of-bounds write vulnerability by tricking a user into opening a specially crafted OOXML Office Open XML document with mismatched encryption salt parameters. This could lead to a denial of service DoS, making the application...

TencentOS Server 3: libreoffice (TSSA-2026:0640)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2026:0640 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities:...

LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents

A flaw was found in LibreOffice. A remote attacker could exploit this out-of-bounds write vulnerability by tricking a user into opening a specially crafted OOXML Office Open XML document with mismatched encryption salt parameters. This could lead to a denial of service DoS, making the application...

Security Bulletin: IBM Engineering Lifecycle Management - Doors Next is impacted by vulnerabilities

Summary A vulnerability has been identified in poi-ooxml library, which is used in IBM Engineering Lifecycle Management - Doors Next. Vulnerability Details CVEID:CVE-2025-31672 DESCRIPTION: Improper Input Validation vulnerability in Apache POI. The issue affects the parsing of OOXML format files...

LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents

A flaw was found in LibreOffice. A remote attacker could exploit this out-of-bounds write vulnerability by tricking a user into opening a specially crafted OOXML Office Open XML document with mismatched encryption salt parameters. This could lead to a denial of service DoS, making the application...

RHEL 9 : libreoffice (RHSA-2026:38507)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:38507 advisory. LibreOffice is an open source, community-developed office productivity suite. It includes key desktop applications, such as a word processor, a...

AlmaLinux 9 : libreoffice (ALSA-2026:28290)

The remote AlmaLinux 9 host has packages installed that are affected by a vulnerability as referenced in the ALSA-2026:28290 advisory. LibreOffice: LibreOffice: Denial of Service via crafted OOXML documents CVE-2026-4430 Tenable has extracted the preceding description block directly from the...