PatchSiren cyber security CVE debrief
CVE-2026-96283 Red Hat CVE debrief
CVE-2026-96283 debrief based on CVE Program and NVD records. The vulnerability in Flatpak allows an attacker to remove a pull operation from internal tracking, making it impossible for the owning user to stop it. This could lead to a denial of service. Defenders responsible for Flatpak installations should assess exposure and prioritize verification to prevent potential impacts. The CVE record and NVD entry provide details on the vulnerability, and defenders should review system logs for suspicious activity.
- Vendor
- Red Hat
- Product
- Red Hat Enterprise Linux 10
- CVSS
- LOW 3.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-09-27
- Original CVE updated
- 2026-09-27
- Advisory published
- 2026-09-27
- Advisory updated
- 2026-09-27
Who should care
Defenders responsible for Flatpak installations should assess exposure and prioritize verification to prevent potential denial of service. This includes reviewing system logs for suspicious activity and applying vendor remediation when available. Security teams and vulnerability management teams should also review the vulnerability and assess exposure.
Why it matters
CVE-2026-96283 is a low-severity vulnerability in Flatpak that allows an attacker to remove a pull operation from internal tracking. Defenders responsible for Flatpak installations should assess exposure and prioritize verification to prevent potential denial of service.
- Verify Flatpak installations to prevent unauthorized pull operations
- Assess exposure to prevent potential denial of service
Technical summary
A vulnerability in Flatpak allows an attacker to remove a pull operation from internal tracking, making it impossible for the owning user to stop it. This could lead to a denial of service. The vulnerability is tracked as CVE-2026-96283 and has a CVSS score of 3.3. Defenders should prioritize verifying Flatpak installations and assessing exposure to prevent potential impacts.
Defensive priority
Defenders should prioritize verifying Flatpak installations and assessing exposure.
Recommended defensive actions
- Verify Flatpak installations and assess exposure
- Review system logs for suspicious activity
- Apply vendor remediation when available
Evidence notes
The CVE record and NVD entry provide details on the vulnerability. Evidence is limited to public CVE Program and NVD records. Defenders should verify Flatpak installations and assess exposure to prevent potential denial of service. The vulnerability allows an attacker to remove a pull operation from internal tracking, making it impossible for the owning user to stop it. No additional evidence is available beyond CVE Program and NVD records.
Sources and references
Verified primary and authoritative sources
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CVE-2026-96283 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-96283
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-96283 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-96283
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
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Source reference
Unverified legacy reference
URL: https://access.redhat.com/security/cve/CVE-2026-96283
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Source reference
Unverified legacy reference
URL: https://github.com/flatpak/flatpak/security/advisories/GHSA-89xm-3m96-w3jg
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.