THREATPORT/VULNERABILITY/CVE-2026-28208
MEDIUM SEVERITY

CVE-2026-28208

Junrar vulnerability

CVSS
5.9
EPSS
12.0%
EPSS pct
96th
Exploited
No known
Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in `LocalFolderExtractor` allows an attacker to write arbitrary files with attacker-controlled content anywhere on the filesystem when a crafted RAR archive is extracted on Linux/Unix. This can often lead to remote code execution (e.g., overwriting shell profiles, source code, cron jobs, etc). Version 7.5.8 has a fix for the issue.
Affected vendor
Junrar Project
Affected product
Junrar
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness type (CWE)
Published
2026-02-26

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to integrity.

Its EPSS score of 12.0% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 96% of all scored CVEs.

Check your external exposure to CVE-2026-28208

  • Confirm whether Junrar Project Junrar is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2026-28208.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-28208

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-28208 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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