[UPDATE] [high] Red Hat Enterprise Linux (Flatpak): Multiple vulnerabilities
An authenticated attacker can exploit multiple vulnerabilities in the Flatpak package of Red Hat Enterprise Linux to execute arbitrary code and delete files.
CSIRTS triage
- What
- Multiple vulnerabilities allow arbitrary code execution and file deletion.
- Who is affected
- An authenticated attacker can exploit these vulnerabilities.
- Urgency
- Remediation is urgent due to the high severity of the vulnerabilities.
- Action
- Update the Flatpak package in Red Hat Enterprise Linux to mitigate the vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-1732
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.
- Moderate exploitation riskCVE-2026-340781.7% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 74% of all scored CVEs.
- Low exploitation riskCVE-2026-340790.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-34078 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-34079 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for Red Hat Enterprise
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] Red Hat Enterprise Linux (perl-IO-Compress): Vulnerability allows executing arbitrary progra…cert-bund · 2026-07-10
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