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CVE-2025-48977: Apache Ignite: REST HTTP arbitrary file read vulnerability

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-28 · updated 2026-10-07
• Weakness: CWE-23

Description

Relative Path Traversal vulnerability in Apache Ignite REST API. Authenticated REST API users can read any file on the server with "cmd=log" command and a log path crafted in a certain way. This issue affects Apache Ignite: from 2.0.0 through 2.17.0. Users are recommended to upgrade to version 2.18.0, which fixes the issue.

Affected products

• Apache Software Foundation Apache Ignite: from 2.0.0 before 2.18.0 — fixed in 2.18.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Ignite 2.18.0. Check the vendor advisory for mitigations.

References

• https://lists.apache.org/thread/hgct6918sowd8l58yjohryhpxx81t4n1
• http://www.openwall.com/lists/oss-security/2026/05/28/3

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