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CVE-2026-121548VulnerabilityPublished

Jarun nnn through 5.3 contains an OS command injection vulnerability in plugins/togglex that allows attackers to

Source GCVE Database

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Authoritative record:CVE-2026-121548· High 8.4

Not known to be exploited · CVSS 8.4 High.

Data as of 3 Nov 2026, 19:45 UTC

CVSS 4.0 base score
8.4High
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.08.4
CNA (VulnCheck)CVSS 3.17.8
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 3 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 3 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
jarunnnnAffected
  • <=5.3
Fixed in–

AI-suggested

Until a fix is available, avoid running togglex on untrusted filenames or restrict usage to trusted users. Monitor for updates from the vendor regarding patches or official mitigations.

Description

Jarun nnn versions through 5.3 have an OS command injection vulnerability in the plugins/togglex component. This flaw allows attackers to execute arbitrary commands by placing specially crafted filenames containing shell syntax that are processed unsafely by xargs and sh -c. The vulnerability requires user interaction and local access to invoke togglex with the malicious filenames.

References

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