CVE-2026-42018
Anonymous user token generation exposure in JFrog Artifactory
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
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
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Anonymous user token generation exposure in JFrog Artifactory
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
- Record
CVE-2026-42018- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
EUVDEUVD-2026-57388
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
- Record
EUVD-2026-57388- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-3q94-gprh-7pwm
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when...
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
- Record
GHSA-3q94-gprh-7pwm- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
CISA KEV No score
JFrog Artifactory Improper Authentication Vulnerability
JFrog Artifactory contains an improper authentication vulnerability that could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
- Record
CVE-2026-42018- Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
- Record
CVE-2026-42018- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-287
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Nuclei | JFrog Artifactory - Anonymous Token Disclosure via Trailing Slash Auth Bypass |
History
| Recorded | Changed | Sources |
|---|---|---|
| exploitation | ||
| first indexed | CVE List, EUVD, GitHub Advisories, CISA KEV, Nuclei, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-42018 is a high vulnerability (CVSS 7.5) in Jfrog Artifactory, published August 12, 2026. CISA lists it as known to be exploited, since September 11, 2026. EUVD reports exploitation since September 11, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.98%, the 95th percentile. No source names a fixed version.
References
docs.jfrog.com/releases/docs/jfrog-security-advisories
wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201
cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018
nvd.nist.gov/vuln/detail/CVE-2026-42018
github.com/advisories/GHSA-3q94-gprh-7pwm