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Vulnerabilities

Vulnerability · CVE-2026-28208

Junrar is an open source java RAR archive library.

Published Feb 26, 2026 · catalog updated Jun 17, 2026 · junrar project

Check if you run it

No confirmed exploitation is on record for CVE-2026-28208. EPSS is 0.77%. Act only if a listed version of junrar project is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.77%
Remediation
Advisory link
Affected products
cpe junrar project/junrar

Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe junrar project/junrarversion unspecified

How to fix CVE-2026-28208

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-28208. EPSS is 0.77%. Act only if a listed version of junrar project is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-22: Path Traversal. EPSS 0.77%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 26, 2026 · NIST NVD

    Detected

    Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in 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.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in 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.

Sources

  • CVE.orgVulnerability recordCVE-2026-28208

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-28208

    30-day exploitation probability 0.8%

    first.org
  • NIST NVDVulnerability recordCVE-2026-28208

    Junrar is an open source java RAR archive library. Prior to version 7.5.8, a backslash path traversal vulnerability in allows an attacker to write arbitrary files with attacker-controlled content anywhere on the filesystem when a crafted RAR archive is extr

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.