CVE-2026-42018: jfrog artifactory · Improper Authentication
Affects jfrog artifactorySource CVE Database V5
Exploited in the wild · KEV due 25 Sep 2026 · public detection template (Nuclei) · 9% EPSS · fixed in 7.146.8 : patch jfrog artifactory now.
Data as of 10 Nov 2026, 23:24 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else. Other KEV due dates
- EPSS
- 9.9% chance of exploitation in 30 days – higher than 95% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 7.146.8, 7.133.28, 7.125.19 +2
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 12 Aug 2026
Detectable: evidence found.
nuclei template: JFrog Artifactory - Anonymous Token Disclosure via Trailing Slash Auth Bypass
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 30 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by JFrog
, 111 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 14 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed
, 30 days after disclosure
KEV remediation due
US federal deadline
, 44 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 11 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| jfrogartifactory | Affected
| Fixed in
|
| jfrogartifactory | Affected
| Fixed in
|
| jfrogartifactory | Affected
| Fixed in
|
| jfrogartifactory | Affected
| Fixed in
|
| jfrogartifactory | Affected
| Fixed in
|
Description
JFrog Artifactory could return an internal anonymous-user token to an unauthenticated caller when anonymous access is disabled, potentially exposing sensitive resources.
References
- docs.jfrog.com/releases/docs/jfrog-security-advisories (opens in a new tab)
- docs.jfrog.com/releases/docs/artifactory-self-managed-releases (opens in a new tab)
- wiz.io/blog/artifactory-under-attack-in-the-wild-exploitation-of-cve-2026-42016-cve-2026-4201 (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-42018 (opens in a new tab)