Unrated

Unauthenticated HTTP takeover in Oracle Enterprise Manager Base Platform Oracle Management Service

IdentifiersCVE-2026-46857

CVE-2026-46857 is a critical vulnerability in Oracle Enterprise Manager Base Platform, specifically in the Oracle Management Service component. Affected supported versions are 13.5 and 24.1. According to the provided advisory text, the issue is easily exploitable by an unauthenticated attacker with network access via HTTP. Successful exploitation can compromise the Oracle Enterprise Manager Base Platform and result in full takeover of the affected product. The provided information does not identify the precise vulnerable function or root cause, so a more specific technical characterization is currently not available.

For your environment

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can lead to complete compromise of Oracle Enterprise Manager Base Platform, with high impact to confidentiality, integrity, and availability. Oracle rates the issue CVSS 3.1 9.8 with vector AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating remote exploitation over the network without authentication or user interaction and potential takeover of the Oracle Management Service environment.

Mitigation

If you can’t patch tonight, do this now.

Until patches are applied, Oracle indicates risk may be reduced by blocking the network protocols required for exploitation, specifically limiting or restricting HTTP network access to the Oracle Management Service to trusted management hosts only, and by removing unnecessary privileges or access where applicable. Oracle notes such workarounds may affect functionality, should be validated in non-production environments, and are not a substitute for patching.

Remediation

Patch, then assume compromise.

Apply the Oracle June 2026 Critical Security Patch Update for Oracle Enterprise Manager Base Platform / Oracle Management Service. Oracle recommends applying vendor patches as soon as possible and remaining on actively supported versions so fixes are available. If running affected releases 13.5 or 24.1, upgrade or patch to the vendor-provided fixed version as specified by Oracle.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

OracleEnterprise Manager Base Platformapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.

2 SOURCESView more in app

No news coverage yet. Advisories and community discussion only.

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity1

Community discussion across Reddit, Mastodon, and other social sources.

EXTERNAL REFERENCES

MITRE CVE

cve.org · CVE-2026-46857

NVD

nvd.nist.gov/vuln/detail/CVE-2026-46857