# CVE-2026-124035: Unsafe reflection in Amazon Braket Schemas error mitigation validation

Status: published. Published: 2026-11-09. Updated: 2026-11-09.

Unsafe reflection in the error mitigation schema validation in Amazon Braket Schemas before 1.32.2 might allow a remote authenticated user with S3 write access to the quantum task output location to execute arbitrary code on any machine that retrieves the quantum task results via a crafted task result document.



We recommend you upgrade to amazon-braket-schemas version 1.32.2 or later.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: AMZN) — https://github.com/amazon-braket/amazon-braket-schemas-python/releases/tag/v1.32.2

## Affected products and versions

- Amazon / amazon-braket-schemas: ≥ 1.17.0; < 1.32.2 (affected, custom). Source: CNA: AMZN

## Severity and prioritization

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H; source: CNA: AMZN

- CVSS 4.0: 7.5 (high); CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N; source: CNA: AMZN

- CVSS 4.0: 7.5 (high); CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/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; source: NVD: ff89ba41-3aa1-4d27-914a-91399e9639e5

- CVSS 3.1: 7.1 (high); CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H; source: NVD: ff89ba41-3aa1-4d27-914a-91399e9639e5

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-470

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://github.com/amazon-braket/amazon-braket-schemas-python/releases/tag/v1.32.2 (CNA: AMZN; patch, release-notes)

- https://aws.amazon.com/security/security-bulletins/2026-175-aws/ (CNA: AMZN; vendor-advisory)

- https://github.com/amazon-braket/amazon-braket-schemas-python/security/advisories/GHSA-9r5x-g8jm-9mjj (CNA: AMZN; third-party-advisory)

- https://aws.amazon.com/security/security-bulletins/2026-175-aws/ (ff89ba41-3aa1-4d27-914a-91399e9639e5)

- https://github.com/amazon-braket/amazon-braket-schemas-python/releases/tag/v1.32.2 (ff89ba41-3aa1-4d27-914a-91399e9639e5)

- https://github.com/amazon-braket/amazon-braket-schemas-python/security/advisories/GHSA-9r5x-g8jm-9mjj (ff89ba41-3aa1-4d27-914a-91399e9639e5)

## Provenance

- CNA: AMZN: https://www.cve.org/CVERecord?id=CVE-2026-124035; retrieved 2026-11-09; source updated 2026-11-09

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-124035; retrieved 2026-11-10; source updated 2026-11-09

Revision: 84bb7967e1d31d65856003616dcea199575c73cfa0673bc55e46eb931b8949b4

Canonical: https://y2.dev/cve/CVE-2026-124035

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