Public vulnerability disclosure

CVE-2026-123218

IBM Aspera Faspex Authorization Bypass

publishedCWE-863

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.

Technical severity9.8 criticalCVSS 3.1 · CNA: ibm
Published2026-11-07Source updated 2026-11-09
Collected2026-11-093 attributed sources

Fixes and workarounds

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

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
Aspera Faspex
IBM
≥ 5.0.0; ≤ 5.0.19 (affected, semver)
Other versions: unaffected
CNA: ibm

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
3.1 / 9.8
critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCNA: ibm
3.1 / 9.8
critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD: [email protected]

Exploit evidence

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

References

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