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CVE-2026-8175: IBM Aspera High-Speed Transfer Endpoint 3.7.4 through 4.4.7 Fix Pack 1 and IBM Aspera High-Speed Transfer Serv

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CRITICAL 9.8REMOTEUPGRADEUPGRADE

CVE-2026-8175 is a critical-severity flaw (CVSS 9.8) affecting aspera high-speed transfer endpoint, aspera high-speed transfer server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Aspera High-Speed Transfer Endpoint 3.7.4 through 4.4.7 Fix Pack 1 and IBM Aspera High-Speed Transfer Server 3.7.4 through 4.4.7 Fix Pack 1 and IBM Aspera High-Speed Transfer Endpoint are affected by a buffer overflow in the asperahttpd component. This vulnerability could be exploited to cause a denial of service and potentially lead to authentication bypass or remote code execution.

Why this priority

  • Critical severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.6% (top 52%)
CISA exploited listNo
WeaknessCWE-122
Published2026-05-27
Last modified2026-06-17
Publisher (CNA): IBM Corporation · Vendor: ibm

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

ibm aspera high-speed transfer endpoint UPGRADE
Affected: >= 3.7.4 and <= 4.4.6 · 4.4.7 · 4.4.7 fixpack1
Fixed in: newer than 4.4.6
Safe to downgrade to: a release before 3.7.4
1. Check installed version
apt-cache policy aspera-high-speed-transfer-endpoint || rpm -q aspera-high-speed-transfer-endpoint || aspera-high-speed-transfer-endpoint --version
2. UPGRADE to newer than 4.4.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade aspera-high-speed-transfer-endpoint
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade aspera-high-speed-transfer-endpoint
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 3.7.4 (Debian / Ubuntu)
apt-cache madison aspera-high-speed-transfer-endpoint sudo apt install aspera-high-speed-transfer-endpoint=<VERSION_BEFORE_3.7.4> sudo apt-mark hold aspera-high-speed-transfer-endpoint
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list aspera-high-speed-transfer-endpoint sudo dnf downgrade aspera-high-speed-transfer-endpoint-<VERSION_BEFORE_3.7.4> sudo dnf versionlock add aspera-high-speed-transfer-endpoint
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
ibm aspera high-speed transfer server UPGRADE
Affected: >= 3.7.4 and <= 4.4.6 · 4.4.7 · 4.4.7 fixpack1
Fixed in: newer than 4.4.6
Safe to downgrade to: a release before 3.7.4
1. Check installed version
apt-cache policy aspera-high-speed-transfer-server || rpm -q aspera-high-speed-transfer-server || aspera-high-speed-transfer-server --version
2. UPGRADE to newer than 4.4.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade aspera-high-speed-transfer-server
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade aspera-high-speed-transfer-server
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 3.7.4 (Debian / Ubuntu)
apt-cache madison aspera-high-speed-transfer-server sudo apt install aspera-high-speed-transfer-server=<VERSION_BEFORE_3.7.4> sudo apt-mark hold aspera-high-speed-transfer-server
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list aspera-high-speed-transfer-server sudo dnf downgrade aspera-high-speed-transfer-server-<VERSION_BEFORE_3.7.4> sudo dnf versionlock add aspera-high-speed-transfer-server
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-8175?

aspera high-speed transfer endpoint: upgrade to newer than 4.4.6; aspera high-speed transfer server: upgrade to newer than 4.4.6. Exact commands for each OS are on this page.

Is CVE-2026-8175 being exploited?

CVE-2026-8175 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-8175 affect?

CVE-2026-8175 affects aspera high-speed transfer endpoint, aspera high-speed transfer server. Severity is critical (CVSS 9.8). IBM Aspera High-Speed Transfer Endpoint 3.7.4 through 4.4.7 Fix Pack 1 and IBM Aspera High-Speed Transfer Server 3.7.4 through 4.4.7 Fix Pack 1 and IBM Aspera High-Speed Transfer Endpoint are affected by a buffer overflow in the asperahttpd

How urgent is CVE-2026-8175?

Priority 51/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

References

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