[UPDATE] [medium] LibreOffice: Multiple vulnerabilities allow unspecified attack

CSIRTS triage

What

Multiple vulnerabilities allow a local attacker to conduct an unspecified attack.

Who is affected

Local deployments of LibreOffice are affected.

Urgency

Remediation is medium urgency due to the potential for local exploitation.

Action

Update to the latest version of LibreOffice.

AI-assisted analysis generated from the source advisory — verify against the original.

Details

Source

CERT-Bund (BSI) Security Advisories (DE · national-cert · site)

Severity

medium

Published

2026-08-25

Exploitation

Not in CISA KEV at last sync

Language

Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1929

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

• Low exploitation riskCVE-2026-60390.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-60400.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-60450.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-60470.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-83560.12% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-83570.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 5% of all EPSS-scored CVEs.
• Low exploitation riskCVE-2026-83580.17% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 7% of all EPSS-scored CVEs.

Referenced CVEs

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

• unknownUSN-8534-1: LibreOffice vulnerabilitiesubuntu

Recent advisories for LibreOffice

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

• medium[UPDATE] [medium] LibreOffice: Vulnerability allows unspecified attackcert-bund · 2026-08-25
• medium[UPDATE] [medium] LibreOffice: Vulnerability allows Code Executioncert-bund · 2026-08-25
• unknownUSN-8534-1: LibreOffice vulnerabilitiesubuntu · 2026-07-13
• highCVE-2026-55229: Gotenberg is a Docker-powered stateless API for PDF files. Prior to 8.34.0, Gotenberg's /forms…nvd · 2026-07-10

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