CVE-2026-87879
Acronis Cyber Protect Sensitive Information Disclosure via Improper Token Validation
Description
Sensitive information disclosure due to improper token validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587.
INFO
Published Date :
Oct. 28, 2026, 11:17 a.m.
Last Modified :
Oct. 28, 2026, 11:17 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.0 | MEDIUM | 73dc0fef-1c66-4a72-9d2d-0a0f4012c175 | ||||
| CVSS 3.0 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.0 | MEDIUM | [email protected] |
Solution
- Update Acronis Cyber Protect to build 42587 or later.
- Ensure all components are updated to the latest version.
- Verify token validation mechanisms are correctly implemented.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-87879.
| URL | Resource |
|---|---|
| https://security-advisory.acronis.com/advisories/SEC-10289 |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-87879 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-87879
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-87879 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-87879 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 28, 2026
Action Type Old Value New Value Added Description Sensitive information disclosure due to improper token validation. The following products are affected: Acronis Cyber Protect 17 (Linux, Windows) before build 42587. Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-347 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/87xxx/CVE-2026-87879.json">CVE-2026-87879</a> Added Reference https://security-advisory.acronis.com/advisories/SEC-10289