CVE-2026-123218: IBM Aspera Faspex Incorrect Authorization Vulnerability
Vulnerability summary
CVE-2026-123218 is a critical (CVSS 9.8) Incorrect Authorization vulnerability in IBM Aspera Faspex. It is known to be exploited: CISA lists it, first on 09-11-2026. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 53.6% of scored vulnerabilities.
Listed as exploited by CISA (09-11-2026)
Source freshness unavailable
How is this decided?Timeline
- 07-11-2026PublishedVulnerability first disclosed.
- 09-11-2026Added to CISA KEVExploitedIBM Aspera Faspex Incorrect Authorization Vulnerability
- 10-11-2026Last modifiedVulnerability information updated.
- 12-11-2026CISA remediation dueUpcomingApply mitigations per vendor instructions.
Description
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
54%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
Known exploited
Compare KEV catalogs
CISA KEVListed- Added
- 09-11-2026
- Federal due date
- 12-11-2026
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
CISA required action
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. www.ibm.com/support/pages/node/7295921 nvd.nist.gov/vuln/detail/CVE-2026-123218
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ibm1 product
- aspera_faspex≥ 5.0.0, ≤ 5.0.19 | ≥ 5.0.0, < 5.0.19.1
1 vendor · 1 product
References
2 links- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-123218Government ResourceUS Government Resource