What is the CVSS score of CVE-2026-27170?

CVE-2026-27170 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-27170?

Within 24 hours: Audit all OpenShift deployments to identify instances running v1.1.2-alpha or below and document their data classification and network connectivity. Within 7 days: Implement network segmentation to restrict outbound connections from affected systems and disable URL ingest functionality if operationally feasible. Within 30 days: Upgrade to the next available patched version when released, or evaluate alternative AI study tools if the vendor does not provide a timeline for patch availability.

Opensift CVE-2026-27170

HIGH

Improper Input Validation (CWE-20)

2026-02-21 security-advisories@github.com

Code Injection AI / ML Opensift

7.1

CVSS 3.1 · GitHub Advisory

View

Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

Access

Authenticate to OpenSift
Exploit

Submit malicious URL via ingest feature
Execution

Trigger server-side fetch to private network
Impact

Access internal resources from host process

Vulnerability Assessment

Weakness	CWE CWE-20 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V2 - Validation and Business Logic Input validation, allowlisting
Exploitation Conditions	OpenSift versions 1.1.2-alpha and below with URL ingest functionality enabled. Attacker requires valid login credentials (PR:L). No OPENSIFT_ALLOW_PRIVATE_URLS=true workaround applied.
Impact	CVSS 7.1 (HIGH). Attack vector: Network. Complexity: Low. Privileges required: Low. User interaction: None. Exploitable via remote/network.
Exploit ScenarioDerived	A remote attacker could exploit this vulnerability to compromise the affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

OpenSift versions 1.1.2-alpha and below allow authenticated attackers to abuse the URL ingest feature's overly permissive server-side request functionality to probe or access private and local network resources from the OpenSift host. The vulnerability requires valid credentials but no user interaction, enabling attackers to enumerate or interact with internal infrastructure not otherwise accessible. No patch is currently available, though version 1.1.3-alpha contains a fix.

Earlier versions of this analysis (1)

v1 Mar 12, 2026 - 22:04 CVSS 7.1

RemediationAI

Fixed in version 1.1.3. Restrict network access to the affected service where possible.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Classified as CWE-20 (Improper Input Validation). Affects Opensift. OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. In versions 1.1.2-alpha and below, URL ingest allows overly permissive server-side fetch behavior and can be coerced into requesting unsafe targets. Potential access/probing of private/local network resources from the OpenSift host process when ingesting attacker-controlled URLs. This issue has been fixed in version 1.1.3-alpha. To workaround when using trusted local-only exceptions, use OPENS

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 7.1 HIGH

AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

DescriptionGitHub Advisory

OpenSift is an AI study tool that sifts through large datasets using semantic search and generative AI. In versions 1.1.2-alpha and below, URL ingest allows overly permissive server-side fetch behavior and can be coerced into requesting unsafe targets. Potential access/probing of private/local network resources from the OpenSift host process when ingesting attacker-controlled URLs. This issue has been fixed in version 1.1.3-alpha. To workaround when using trusted local-only exceptions, use OPENSIFT_ALLOW_PRIVATE_URLS=true with caution.

Executive ViewAI

Why It Matters

OpenShift installations running version 1.1.2-alpha and below contain a critical URL ingestion vulnerability that could allow attackers to manipulate the system into making unauthorized server-side requests to internal or external targets. Organizations using this AI study tool risk data exfiltration, lateral movement, and compromise of connected systems until remediation is completed.

Business Impact: High

Compensating Controls

Disable the URL ingest feature entirely if not critical to operations. Implement Web Application Firewall (WAF) rules to block suspicious URL patterns and monitor for anomalous outbound requests. Enforce network segmentation with egress filtering to restrict OpenShift's outbound connectivity to whitelisted destinations only. Deploy network-based intrusion detection to flag attempts to access internal or reserved IP ranges (169.254.x.x, 10.x.x.x, 172.16-31.x.x, 192.168.x.x). Require multi-factor authentication for any administrative access to the system. Monitor and log all ingest requests and outbound connections from the affected application.

Threat Intelligence Overview

EPSS Score

0.1%

Top 84% exploitable

Data Quality

4 sources

Confidence: Medium

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +36

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.