Security fix · CVE-2026-55500
Exposure of Sensitive Information to an Unauthorized Actor
Published Jul 10, 2026 · catalog updated Nov 3, 2026 · 9Router
Last checked Nov 6, 2026. A connected source was read within the last 7 days.
Patch now
CVE-2026-55500 is in the CISA known-exploited catalog. Confirm 9Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- Severity
- Critical9.9
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 0.48%
- Remediation
- Remediation guidance
- Affected products
- vendor decolua 9Router · vendor decolua 9router
9Router is an AI router & token saver. Prior to 0.4.80, the /api/settings/database endpoint allows full database export (containing all credentials, API keys, OAuth tokens, and settings) and full database import (complete overwrite) without any authentication requirement beyond the ALWAYS_PROTECTED middleware check, which only validates JWT or CLI token. This issue is fixed in version 0.4.80. VulnCheck canary evidence.
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.
- vendor decolua 9Routerversion unspecified
- vendor decolua 9routerversion unspecified
How to fix CVE-2026-55500
Vendor action
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2026-55500 is in the CISA known-exploited catalog. Confirm 9Router against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
What should an analyst verify?
CWE-200: Exposure of Sensitive Information. EPSS 0.48%. The CISA KEV listing is the exploitation evidence. 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.
Nov 3, 2026 · VulnCheck KEV
Detected
9Router is an AI router & token saver. Prior to 0.4.80, the /api/settings/database endpoint allows full database export (containing all credentials, API keys, OAuth tokens, and settings) and full database import (complete overwrite) without any authentication requirement beyond the ALWAYS_PROTECTED middleware check, which only validates JWT or CLI token. This issue is fixed in version 0.4.80. Vuln
Nov 3, 2026 · CISA KEV
Known exploited
Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Sources
- CVE.orgVulnerability recordCVE-2026-55500
9Router is an AI router & token saver. Prior to 0.4.80, the /api/settings/database endpoint allows full database export (containing all credentials, API keys, OAuth tokens, and settings) and full database import (complete overwrite) without any authentication requirement beyond t
cve.org - VulnCheck KEVConfirmed exploitationCVE-2026-55500
9Router is an AI router & token saver. Prior to 0.4.80, the /api/settings/database endpoint allows full database export (containing all credentials, API keys, OAuth tokens, and settings) and full database import (complete overwrite) without any authentication requirement beyond t
vulncheck.com
References
- VulnCheck exploitation evidence · api.vulncheck.com
- VulnCheck exploitation evidence · api.vulncheck.com
- VulnCheck exploitation evidence · api.vulncheck.com
- VulnCheck exploitation evidence · api.vulncheck.com
- https://github.com/decolua/9router/commit/0c7c9de00ae3ab81d6580e3cc368483c4c03f6 · github.com
- https://github.com/decolua/9router/releases/tag/v0.4.80 · github.com
- https://github.com/decolua/9router/security/advisories/GHSA-qvfm-67h2-2qfx · github.com
Freshness
Last verified in this catalog Nov 6, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- VulnCheck KEVNov 6, 2026
- CVE.orgNov 4, 2026