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01 Record

CVE-2026-86242

Unauthenticated RCE via Custom Plugin HTTP Path on Dynamically Linked Builds

HighPUBLISHEDCNA: JFROG
CNA base score8.1 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

Unauthenticated RCE via Custom Plugin HTTP Path on Dynamically Linked Builds

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
3.57% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.0% of scored records. A rank, not a probability.
NVD base score
8.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Awaiting Analysis. NVD last modified this record on 2026-09-09.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-09-06 11:20Z1 MO AGO
Last updated
2026-09-08 18:23Z1 MO AGO
Reserved
2026-09-06
Assigning CNA
JFROG
Record state
PUBLISHED
Severity
High (CVSS 8.1)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-94Improper Control of Generation of Code ('Code Injection')Base
  • CWE-284Improper Access ControlPillar
  • CWE-306Missing Authentication for Critical FunctionBase
Data version
5.2
Document digest
29ba154184e9cffdcfdd2a77b58442bdb8adf273fa8b226b0e533fc6b9a278f5

05 Affected products

VendorProductVersionsPlatforms
maximhqBifrost0 to < 2.0.0Linux, macOS

06 References

07 Remediation

Upgrade Bifrost HTTP transport to 2.0.0 or later. The fix (PR #5763) refuses create and update of a non-builtin plugin path when the request was let through because dashboard authentication is disabled or unconfigured (403), and replaces the plugin downloader with an SSRF-hardened client. The 1.6.x line through 1.6.11 does not include this change.