How severe is CVE-2026-9291?

CVE-2026-9291 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-9291 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-9291?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-9291 have an EU (EUVD) identifier?

Yes. CVE-2026-9291 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31483.

When was CVE-2026-9291 published?

CVE-2026-9291 was published on 2026-05-22 and last updated on 2026-06-17.

CVE-2026-9291

CVE-2026-9291 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-502.

Key facts

Severity: High (CVSS 3.x base score 7.1)
CVSS v4: 7.5
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-31483
Weakness: CWE-502
Published: 2026-05-22
Last modified: 2026-06-17

Description

Insecure deserialization in the job results processing component in Amazon Braket SDK before 1.117.0 might allow a remote authenticated user with S3 write access to the job output bucket to achieve arbitrary code execution on any machine that processes job results. We recommend you upgrade to amazon-braket-sdk version 1.117.0 or later.

Frequently asked questions

What is CVE-2026-9291?: Insecure deserialization in the job results processing component in Amazon Braket SDK before 1.117.0 might allow a remote authenticated user with S3 write access to the job output bucket to achieve arbitrary code execution on any machine that processes job results. We recommend you upgrade to amazon-braket-sdk version 1.117.0 or later.
How severe is CVE-2026-9291?: CVE-2026-9291 has a CVSS 3.x base score of 7.1, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-9291 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-9291?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-9291 have an EU (EUVD) identifier?: Yes. CVE-2026-9291 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-31483.
When was CVE-2026-9291 published?: CVE-2026-9291 was published on 2026-05-22 and last updated on 2026-06-17.

References

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