How severe is CVE-2025-66486?

CVE-2025-66486 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-66486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-66486?

CVE-2025-66486 affects Ibm Aspera Shares. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-66486?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-66486 have an EU (EUVD) identifier?

Yes. CVE-2025-66486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209184.

When was CVE-2025-66486 published?

CVE-2025-66486 was published on 2026-04-01 and last updated on 2026-06-17.

CVE-2025-66486

CVE-2025-66486 is a medium-severity vulnerability in Ibm Aspera Shares with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-80.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209184
Weakness: CWE-80
Affected product: Ibm Aspera Shares
Published: 2026-04-01
Last modified: 2026-06-17

Description

IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.

Frequently asked questions

What is CVE-2025-66486?: IBM Aspera Shares 1.9.9 through 1.11.0 is vulnerable to HTML injection. A remote attacker could inject malicious HTML code, which when viewed, would be executed in the victim's Web browser within the security context of the hosting site.
How severe is CVE-2025-66486?: CVE-2025-66486 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-66486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-66486?: CVE-2025-66486 affects Ibm Aspera Shares. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-66486?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-66486 have an EU (EUVD) identifier?: Yes. CVE-2025-66486 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209184.
When was CVE-2025-66486 published?: CVE-2025-66486 was published on 2026-04-01 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7267848

Affected products (1)

cpe:2.3:a:ibm:aspera_shares:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Aspera Shares

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CVE-2025-66483 — Medium (CVSS 6.3): IBM Aspera Shares 1.9.9 through 1.11.0 does not invalidate session after a password reset which could allow an…
CVE-2024-38315 — Medium (CVSS 6.3): IBM Aspera Shares 1.0 through 1.10.0 PL3 does not invalidate session after a password reset which could allow an…
CVE-2023-38018 — Medium (CVSS 6.3): IBM Aspera Shares 1.10.0 PL2 does not invalidate session after a password change which could allow an authenticated…
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