CVE-2017-7474
keycloak-connect and keycloak-js improperly handle invalid tokens
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.
- Severity
- 9.8 CriticalCVSS 3.0, NVD
- Exploit chance
- 2.54%EPSS, 85th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
3.1.0keycloak-connect +1 more
Description
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
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 |
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 ListNo 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-2017-0349No 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
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.