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CVE-2026-100308

GluonTS arbitrary command execution during model deserialization

8.4 High

CVE-2026-100308 is a high vulnerability (CVSS 8.4) in Aws Gluonts, published September 29, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.14%, the 3rd percentile. No source names a fixed version.

What does this mean?
Severity
8.4 HighCVSS 4.0, CVE List
Exploit chance
0.14%EPSS, 3rd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory.

To remediate this issue, users should upgrade to version 0.17.0 or later.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Active

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.14%Unchanged since Sep 30, 2026
90%50%10%1%

Affected products

What each source reports

CVE List Score used8.4

GluonTS arbitrary command execution during model deserialization

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory.

To remediate this issue, users should upgrade to version 0.17.0 or later.

Record
CVE-2026-100308
CVSS 4.0
8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-502, CWE-470
Updated
2026-11-02
EUVDEUVD-2026-889798.4

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory.

To remediate this issue, users should upgrade to version 0.17.0 or later.

Record
EUVD-2026-88979
CVSS 4.0
8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Updated
2026-11-02
NVD8.4

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory.

To remediate this issue, users should upgrade to version 0.17.0 or later.

Record
CVE-2026-100308
CVSS 4.0
8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-470, CWE-502
Updated
2026-11-02
OSV8.4

GluonTS arbitrary command execution during model deserialization

Deserialization of untrusted data in the model loading component in Amazon GluonTS before 0.17.0 might allow context-dependent attackers to execute arbitrary operating system commands with the privileges of the loading process via a crafted serialized model directory.

To remediate this issue, users should upgrade to version 0.17.0 or later.

Record
CVE-2026-100308
CVSS 4.0
8.4 HighCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness
CWE-470, CWE-502
Updated
2026-11-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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