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VulnerabilityPublished Updated

CVE-2026-6842: Red Hat Enterprise Linux 10 nano · Incorrect Permissions

Affects Red Hat Enterprise Linux 10 nanoSource CVE Database V5

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Not known to be exploited · CVSS 2.5 Low : upgrade Red Hat Enterprise Linux 10 nano to 9.0 when convenient.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
2.5Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.08% chance of exploitation in 30 days – higher than 0% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 9.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 22 Apr 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 30 Oct 2026.

What to do

Upgrade nano to 9.0.

Affected software

ProductAffectedFixed in
nanoAffected
  • >=2.9.1 <9.0
Fixed in
  • 9.0
Red Hatredhat/nanopkg:rpm/redhat/nanoOther threatsAffected
  • =10
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, users should consider manually verifying and correcting the permissions of the ~/.local directory to 0700 to prevent unauthorized modification. No vendor advisory states that no action is required or that the issue is already mitigated.

Description

A flaw was found in nano. In environments with permissive umask settings, a local attacker can exploit incorrect directory permissions (0777 instead of 0700) for the `~/.local` directory. This allows the attacker to inject a malicious `.desktop` launcher, which could lead to unintended actions or information disclosure if the launcher is subsequently processed.

References

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