49/100 CVSS 8.6 🔴 CVE ANALYSISPublished: April 29, 2026

pygeoapi 0.23.x: Unauthenticated SSRF via OGC API - Processes Subscriber

### Impact OGC API - Process execution requests can use the `subscriber` object to requests to internal HTTP services. ### Patches The issue has been patched in master branch and made available as part of the 0.23.3 release. The patch disables any HTTP requests made to internal resources by default (unless explicitly defined in configuration by a n...

8.6

CVSS Score

MEDIUM

Threat Level

Priority /100

TBD

Exploited ITW

Monitor

CISA Status

Sources

🔵

HIGH-PRIORITY SECURITY ADVISORY — Priority Score: 49/100

CVSS 8.6 MEDIUM. SENTINEL APEX recommends immediate patch evaluation. Intelligence from 1 confirmed source(s).

📋 Executive Summary

⚡ Analyst Assessment — SENTINEL APEX v4.0

CYBERDUDEBIVASH SENTINEL APEX has confirmed a MEDIUM-tier threat intelligence signal for CVE-2026-42352 affecting pip pygeoapi. Composite threat score: 49/100. Intelligence corroborated across 1 source(s): github_advisories. CVSS base score: 8.6. Exploitation probability assessed as HIGH based on vulnerability characteristics.

Intelligence sources: github_advisories

⚠️ Business Impact Analysis

⚠️ Remote code execution — full server takeover without authentication possible
⚠️ Privilege escalation — local attacker can become SYSTEM/root
⚠️ Authentication bypass — all access controls circumvented

🔗 Attack Chain Analysis

Step-by-step attack chain based on observed TTPs and vulnerability characteristics:

#	Phase	Attacker Action	MITRE
1	Reconnaissance	Attacker identifies exposed pygeoapi instances via Shodan, Censys, or targeted scanning	`TA0043`
2	Initial Access	Unauthenticated exploitation — no credentials required. Single HTTP request sufficient	`T1190`
3	Execution	Remote code execution achieved — attacker runs arbitrary commands on target system	`T1203`
4	Privilege Escalation	Local privilege escalation to SYSTEM/root for full control	`T1068`
5	Persistence	Backdoor, scheduled task, or new admin account created for persistent access	`T1053`
6	Command & Control	Attacker establishes persistent C2 channel using HTTPS or DNS tunneling	`T1071`
7	Impact / Objectives	Intellectual property theft, espionage, cryptomining, or preparation for future attack stage	`T1657`

⚠ Deep Dive Analysis

This high-severity vulnerability in pip pygeoapi (CVSS 8.6) represents a significant attack surface. SENTINEL APEX assesses exploitation to be technically feasible with moderate effort. Organizations running pygeoapi in internet-facing or privileged positions face immediate risk.

SENTINEL APEX URGENCY: HIGH. Score: 49/100 MEDIUM. Patch before exploitation activity begins.

🎯 MITRE ATT&CK Mapping

Category	Mapping
Primary Tactic	Execution
Primary Technique	T1203 — Exploitation for Client Execution
Sub-Technique	T1059 — Command & Scripting Interpreter
Weakness (CWE)	CWE-918
Intel Type	🔴 CVE ANALYSIS
Source(s)	github_advisories

🔴 CVE Reference

CVE ID	Reference	Score
CVE-2026-42352	NVD →	8.6
CVE-2026-42352	NVD →	8.6

🏷️ Indicators of Compromise — Enriched IOC Feed

Normalized IOCs with confidence scoring. Block immediately across all enforcement points. SOC Pro subscribers receive enriched IOC bundles with full attribution and STIX/TAXII feeds.

Indicator Value	Type	Confidence	First Seen
3a63f5b0cc6275e3ae0edb47726b13a43cdd90ef	sha1	90%	2026-04-29
https://github.com/geopython/pygeoapi/commit/3a63f5b0cc6275e3ae0edb47726b13a43cd	url	82%	2026-04-29

🔍 Detection Rules — Sigma (SIEM)

Deploy to Splunk, Elastic, Microsoft Sentinel, or QRadar. SOC Pro subscribers receive pre-compiled SIEM-native query packs updated with each pipeline run.

Sigma YAMLtitle: CVE-2026-42352 Exploitation Attempt — pip pygeoapi
id: 76a3ca15490a7b4c-0f26
status: experimental
description: Detects exploitation of CVE-2026-42352 in pip pygeoapi. Priority: MEDIUM. Score: 49/100
author: CYBERDUDEBIVASH SENTINEL APEX v4.0 (bivash@cyberdudebivash.com)
date: 2026-04-29
references:
    - https://nvd.nist.gov/vuln/detail/CVE-2026-42352
    - https://blog.cyberdudebivash.in/
tags:
    - attack.initial_access
    - attack.t1190
    - cve-2026-42352
    - cve-2026-42352
logsource:
    category: webserver
detection:
    keywords:
        - 'CVE-2026-42352'
        - 'CVE-2026-42352'
        - 'cve-2026-42352'
    condition: keywords
falsepositives:
    - Security scanners
level: high

📡 Detection Rules — YARA (Endpoint)

Deploy to endpoint detection platforms. Enterprise subscribers receive tuned, FP-validated YARA rule packs.

YARArule CVE_2026_42352_Exploitation {
    meta:
        description = "Detects artifacts related to CVE-2026-42352 exploitation in pip pygeoapi"
        author      = "CYBERDUDEBIVASH SENTINEL APEX v4.0"
        date        = "2026-04-29"
        severity    = "HIGH"
        cvss        = "8.6"
        priority    = "49/100"
        threat_level = "MEDIUM"
        reference   = "https://nvd.nist.gov/vuln/detail/CVE-2026-42352"
    strings:
        $id_str  = "CVE-2026-42352" ascii nocase
        $product = "pygeoapi" ascii nocase wide
    condition:
        any of them
}

🛡️ SOC Response Playbook

1IMMEDIATE (0-1hr): Identify all instances of pygeoapi in your environment via CMDB/asset inventory
2IMMEDIATE: Block all 2 IOCs in this report at firewall, proxy, DNS, and EDR simultaneously
3IMMEDIATE (0-1hr): Apply vendor patch — no maintenance window exception for MEDIUM threats
4IMMEDIATE (1-2hr): If no patch available: implement WAF rules, ACLs, or network-level compensating controls
5SHORT-TERM (2-4hr): Deploy Sigma detection rule to SIEM — validate alert generation in test environment
6SHORT-TERM (4-8hr): Review logs for exploitation indicators (anomalous pygeoapi requests, error spikes)
7SHORT-TERM (8-24hr): Hunt for post-exploitation: new admin accounts, scheduled tasks, lateral movement
8MONITOR: Subscribe to pip security advisories for patch updates
9ONGOING: Track SENTINEL APEX intelligence feed for follow-on campaigns targeting pygeoapi

📎 Intelligence References

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⚡ CYBERDUDEBIVASH SENTINEL APEX v4.0

Intelligence report generated by CYBERDUDEBIVASH SENTINEL APEX v4.0
Report ID: SENTINEL-CVE-2026-42352-2026-04-29 | Priority: 49/100 MEDIUM | Sources: 1
© 2026 CYBERDUDEBIVASH PRIVATE LIMITED
Republication requires written attribution to CYBERDUDEBIVASH SENTINEL APEX

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