# CVE-2026-123218: IBM Aspera Faspex Authorization Bypass

Status: published. Published: 2026-11-07. Updated: 2026-11-09.

IBM Aspera Faspex 5.0.0 through 5.0.19 could allow an authorized user to craft a specific message to bypass user authorization and gain full administrative privileges.

## Remediation

- fix: IBM strongly recommends addressing the vulnerability now by upgrading:

ProductVersionPlatformFix InstructionsIBM Aspera Faspex5.0.19 PL1Linux

Please follow the instructions  here https://www.ibm.com/docs/en/aspera-faspex/5.0.x .



Validate that the faspex-core container image is 5.0.19 (1ce4b13, Fix Pack: 1) (source: CNA: ibm)
- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: ibm) — https://www.ibm.com/support/pages/node/7295921

## Affected products and versions

- IBM / Aspera Faspex: ≥ 5.0.0; ≤ 5.0.19 (affected, semver). Source: CNA: ibm

## Severity and prioritization

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: CNA: ibm

- CVSS 3.1: 9.8 (critical); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H; source: NVD: psirt@us.ibm.com

- CISA KEV: No listing in collected sources

- EPSS: 0.40% as of 2026-11-09; percentile 34.12%

- SSVC: exploitation active; automatable yes; technical impact total; source ADP: CISA-ADP

- Weaknesses: CWE-863

## Exploit evidence

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

## References

- https://www.ibm.com/support/pages/node/7295921 (CNA: ibm; vendor-advisory, patch)

- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-123218 (ADP: CISA-ADP; government-resource)

- https://www.ibm.com/support/pages/node/7295921 (psirt@us.ibm.com)

## Provenance

- CNA: ibm: https://www.cve.org/CVERecord?id=CVE-2026-123218; retrieved 2026-11-09; source updated 2026-11-09

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-123218; retrieved 2026-11-07; source updated 2026-11-07

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-123218; retrieved 2026-11-09; source updated Not reported

Revision: 45ee42db1ad15efbdf81b0eeeb76550e9913ebd9d27cdd9a5897c522399f4754

Canonical: https://y2.dev/cve/CVE-2026-123218

## Agent and API access

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- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

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- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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