Free and open · new CVEs checked every 20 minutesStatusRSSOpen dataContact

CVE-2026-18787: A vulnerability was identified in GL.iNet AX1800 up to 4.8.3

56
This month
HIGH 8.8

CVE-2026-18787 is a high-severity flaw (CVSS 8.8) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was identified in GL.iNet AX1800 up to 4.8.3. The affected element is the function remove_rule of the file /usr/share/gl-ngx/oui-rpc.lua of the component RPC Endpoint. The manipulation of the argument args.id leads to command injection. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure.

Why this priority

  • High severity
  • CISA SSVC: public proof of concept

A fixed release or distro patch exists.

Risk facts

CVSS score8.8 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance3.2% (top 12%)
CISA exploited listNo
WeaknessCWE-74, CWE-77
Published2026-08-04
Last modified2026-10-23
Publisher (CNA): VulDB

Last updated 2026-10-23 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

Exact fixes by distribution

Fedora 46 · pspp · FIXED · 2.1.3-2.fc46 · FEDORA-2026-0d6444911b · source
sudo dnf upgrade --advisory=FEDORA-2026-0d6444911b
Fedora ELN · barman · FIXED · 3.20.1-3.eln159 · FEDORA-2026-45ecf042c2 · source
sudo dnf upgrade --advisory=FEDORA-2026-45ecf042c2
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-18787?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-18787 being exploited?

CVE-2026-18787 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-18787 affect?

CVE-2026-18787 affects affected software. Severity is high (CVSS 8.8). A vulnerability was identified in GL.iNet AX1800 up to 4.8.3. The affected element is the function remove_rule of the file /usr/share/gl-ngx/oui-rpc.lua of the component RPC Endpoint. The manipulation of the argument args.id leads to comman

How urgent is CVE-2026-18787?

Priority 56/100. High severity; CISA SSVC: public proof of concept

References

← Back to latest CVEs