CVE-2026-87103 Acronis Cyber Protect 17 - Authentication Bypass

Acronis Cyber Protect 17 < 42587 contains an improper token validation vulnerability causing sensitive information disclosure and data manipulation, letting attackers access and modify data, exploit requires crafted token.

CVSS base score 7.4 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Authentication Bypass
Impact
Information Disclosure, Data Tampering
CVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-347

Vendor fix

Update to build 42587 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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