CVE-2026-10269: decolua 9router · Improper Authorization
Affects decolua 9routerSource CVE Database V5
Not known to be exploited · CVSS 5.3 Medium.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:XExploitation evidence
Disclosed: evidence found.
CVE published 1 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| decolua9router | Affected
| Fixed in– |
GitHubdecolua/9routerpkg:github/decolua/9routerOther threats | Affected
| Fixed in– |
CPE configurations (1)
cpe:2.3:h:decolua:9router:*:*:*:*:*:*:*:*
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Upgrade decolua 9router to version 0.4.1 or later, which contains the official fix for this vulnerability. No other mitigation steps are indicated or necessary once the upgrade is applied.
Description
CVE-2026-10269 is a medium severity vulnerability in decolua 9router versions up to 0.4.0. It involves improper authorization due to manipulation of the Host argument in the isAuthenticated function within the HTTP Header Handler component. This flaw can be exploited remotely. The issue is addressed by upgrading to version 0.4.1.
References
- vuldb.com/vuln/367548 (opens in a new tab)
- vuldb.com/vuln/367548/cti (opens in a new tab)
- vuldb.com/cve/CVE-2026-10269 (opens in a new tab)
- vuldb.com/submit/825188 (opens in a new tab)
- github.com/decolua/9router/issues/742 (opens in a new tab)
- github.com/decolua/9router/commit/428e2c045cb9c0eb8080e8b580471a9c2eaa95ca (opens in a new tab)
- github.com/decolua/9router/releases/tag/v0.4.1 (opens in a new tab)
- github.com/decolua/9router/ (opens in a new tab)