CVE-2026-9035Network attack vector

Authenticated file read via asperahttpd path traversal

Published May 27, 2026 · Updated May 27, 2026

Path traversal in IBM Aspera products 3.7.4 through 4.4.7 Fix Pack 1 allows remote authenticated users to read restricted server files. IBM identifies asperahttpd as the locus and CWE-22 as the flaw, indicating that a supplied path is not confined to its intended directory. Valid Aspera credentials are required, and IBM has not disclosed the exact request parameter or path-processing operation involved.

CVSS severity6.5
Medium
EPSS probability0.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Path traversal in IBM Aspera products 3.7.4 through 4.4.7 Fix Pack 1 allows remote authenticated users to read restricted server files. IBM identifies asperahttpd as the locus and CWE-22 as the flaw, indicating that a supplied path is not confined to its intended directory. Valid Aspera credentials are required, and IBM has not disclosed the exact request parameter or path-processing operation involved.

The record

CVE
CVE-2026-9035
Published
May 27, 2026
Updated
May 27, 2026
Vendor
OpenBMC Project
Product
Aspera High-Speed Transfer Endpoint
Classifications
CWE-22, T1005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 27, 2026CVE publishedPublication date reported by the CVE source.
  2. May 27, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.7.4 <=4.4.7 Fix Pack 1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

OpenBMC Project · Aspera High-Speed Transfer Endpointversion=3.7.4 <=4.4.7 Fix Pack 1
OpenBMC Project · Aspera High-Speed Transfer Serverversion=3.7.4 <=4.4.7 Fix Pack 1

Published CVSS scores

6.5IBM CorporationCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
T1005Data from Local System

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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