7.5

CVE-2026-9291: aws amazon braket python sdk Deserialization of Untrusted Data

CVSS: 7.5v4.0HighAwaiting analysis
AliasesGHSA-g697-2xrc-gc46PYSEC-2026-2342
Published 22-05-2026Last modified 22-05-2026
Open JSON

Vulnerability summary

CVE-2026-9291 is a high (CVSS 7.5) Deserialization of Untrusted Data vulnerability in aws amazon braket python sdk. EPSS estimates a 0.65% chance of exploitation in the next 30 days, higher than 50.1% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v4.0 (CVE.org)
EPSS score
0.65%
0%100%
Low · +0.27 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-05-2026
    PublishedVulnerability first disclosed.
  2. 22-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

6 scores · 3 sources · 2 versions

EPSS trend

Probability

0.65%

Chance of exploitation in the next 30 days

Percentile

50%

Versus all other CVEs

30-day change

+0.27 pp

From 0.38% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.65%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Aws1 product
PyPI1 product
  • amazon-braket-sdk≥ 1.10.0, < 1.117.0

2 vendors · 2 products

References

8 links