Vulnerability report

Trusted Third Party Report Confirmed Confidence In CISA KEV

CVE-2026-123218

IBM Aspera Faspex Authorization Bypass

IBM / Aspera Faspex · 5.0.0 to <= 5.0.19

Watch CVE-2026-123218 Browse KEV feed
Severity
CVSS 9.8 · Critical
Confidence
Confirmed
Exploit status
Trusted Third Party Report
EPSS
0.4%
First observed
—
Last observed
—

Decision summary

What security teams need to know first

Direct answers before the deeper technical record.

What it is

CVE-2026-123218 is an unauthenticated IBM Aspera Faspex Authorization Bypass.

Have exploitation attempts been observed?

Yes. Exploitation attempts have been reported for this vulnerability. Previdian lists it as a known exploited vulnerability. Listed in CISA KEV. Also reported by third-party sources. Confidence is confirmed.

Who is affected?

IBM / Aspera Faspex 5.0.0 to <= 5.0.19.

What should we do?

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

Overview

IBM Aspera Faspex Authorization Bypass

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.

IBM Affected
Aspera Faspex
Through 5.0.19
View vendor advisory (opens in new tab)
Published
07 Nov 2026
Exploitation Attempts Reported
09 Nov 2026
Attack vector
Remote
Complexity
Low
Privileges
None
User interaction
None

Tags

cisa

CVE References

  • CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2026-123218
  • Vendor Advisory — ibm.com ibm.com · Vendor Advisory https://www.ibm.com/support/pages/node/7295921

Exploitation evidence

Evidence of exploitation attempts

Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.

Exploitation Attempts Observed in the Wild

CISA

Recorded 09 Nov 2026

A trusted third party reported exploitation attempts.

Known exploited vulnerability sources

Per-source evidence links for KEV attestations are available through the Previdian Pro API.

Learn about Pro API access
Source Added
CISA First 2026-11-09 20:40 UTC
The Hacker News 2026-11-10 07:21 UTC

Detection

Operational artifacts and observed signals

Make the evidence actionable in scanner, SOC, and edge-control workflows.

Scanner coverage

No scanner integrations recorded yet.

Virtual patch status

No Previdian virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.

Learn about virtual patches →

No detection artifacts or sensor request patterns are available for this CVE yet.

Check back as sensor telemetry and scanner integrations are updated.

Risk and context

Severity, weaknesses, and research context

CVSS v3.1

9.8 Critical

Potential damage if exploited. Separate from whether attackers are using it.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.4%

Estimated chance of exploitation in the next 30 days. Previdian's warning comes from evidence, not this score.

Weaknesses

Incorrect Authorization CWE-863

Recent mention · The Hacker News

CISA Warns of Active Exploitation of OpenSSH, GPUStack, FreeSWITCH, and IBM Flaws

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added four security flaws impacting GPUStack, SignalWire FreeSwitch, OpenBSD OpenSSH, and IBM Aspera Faspex to its Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active...

Read full advisory

Timeline

From disclosure to observed exploitation attempts

  1. 07:21 UTC

    KEV confirmed by The Hacker News

    Exploitation attempts reported by an external source

  2. 20:40 UTC

    Added to CISA KEV

    Listed in the CISA Known Exploited Vulnerabilities catalog

  3. 04:20 UTC

    Added to the Previdian watchlist

    Pro and Enterprise Watch users had 2 days of early warning before CISA KEV. Also 3 days before Previdian KEV.

  4. 03:47 UTC

    CVE published

    Vulnerability disclosed publicly

  5. 18:08 UTC

    CVE ID reserved

    Identifier reserved by the CNA

Pro API

Automate this intelligence

Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

Start 14-day Pro trial Read API docs
  • Evidence confidence and provenance
  • First-party sensor telemetry
  • PoC and scanner references
  • Affected versions and enrichment
  • Automation-ready JSON delivery

GET /api/v2/pro/kevs/CVE-2026-123218

Sample API response 
{
  "cve_id": "CVE-2026-123218",
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "cvss_estimated": false,
  "epss_score": 0.00396,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "attempts": 0, "sensors": 0 }
}