CVE-2017-7474
keycloak-connect and keycloak-js improperly handle invalid tokens
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.
- Record
CVE-2017-7474- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-253
- Updated
- 2026-11-02
CVE List No score
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.
- Record
CVE-2017-7474- Weakness
- CWE-253
- Updated
- 2026-11-02
EUVDEUVD-2017-0349 No score
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.
- Record
EUVD-2017-0349- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mw35-24gh-f82w
keycloak-connect and keycloak-js improperly handle invalid tokens
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.
- Record
GHSA-mw35-24gh-f82w- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-253
- Updated
- 2026-11-02
OSVGHSA-mw35-24gh-f82w
keycloak-connect and keycloak-js improperly handle invalid tokens
It was found that the Keycloak Node.js adapter 2.5 - 3.0 did not handle invalid tokens correctly. An attacker could use this flaw to bypass authentication and gain access to restricted information, or to possibly conduct further attacks.
- Record
GHSA-mw35-24gh-f82w- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-253
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
keycloak-connectnpm |
2.5.0 up to 3.1.0 | 3.1.0 |
keycloak-jsnpm |
2.5.0 up to 3.1.0 | 3.1.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-7474 is a critical vulnerability (CVSS 9.8) in Red Hat, Inc. Keycloak Node.js Adapter, published May 12, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.54%, the 85th percentile. Fixed in keycloak-connect 3.1.0.