Flatpak org.freedesktop.Flatpak.SystemHelper.CancelPull input validation
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.3 | $0-$5k | 0.63 |
Summary
A vulnerability classified as problematic was found in Flatpak. Affected is the function org.freedesktop.Flatpak.SystemHelper.CancelPull. The manipulation results in input validation.
This vulnerability is known as CVE-2026-96283. Attacking locally is a requirement. No exploit is available.
Details
A vulnerability, which was classified as problematic, was found in Flatpak (version unknown). Affected is the function org.freedesktop.Flatpak.SystemHelper.CancelPull. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. CVE summarizes:
By calling org.freedesktop.Flatpak.SystemHelper.CancelPull on another user's pull, the pull is not actually cancelled but removed from internal tracking, making it impossible for the owning user to stop it. Ongoing pulls cannot be stopped.
The advisory is available at access.redhat.com. This vulnerability is traded as CVE-2026-96283 since 09/22/2026. The exploitability is told to be easy. Local access is required to approach this attack. Technical details are known, but there is no available exploit.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-88043). If you want to get best quality of vulnerability data, you may have to visit VulDB.
Product
Name
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.3VulDB Meta Temp Score: 3.3
VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 3.3
CNA Vector (redhat): 🔒
CVSSv2
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔒
Timeline
09/22/2026 CVE reserved09/27/2026 VulDB entry created
09/28/2026 Advisory disclosed
09/28/2026 VulDB entry last update
Sources
Advisory: access.redhat.comStatus: Not defined
CVE: CVE-2026-96283 (🔒)
GCVE (CVE): GCVE-0-2026-96283
GCVE (VulDB): GCVE-100-410970
EUVD: 🔒
Entry
Created: 09/28/2026 00:20Updated: 09/28/2026 01:24
Changes: 09/28/2026 00:20 (59), 09/28/2026 01:24 (1)
Complete: 🔍
Cache ID: 216::103
If you want to get best quality of vulnerability data, you may have to visit VulDB.
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