CVE-2026-42352Network attack vector

Unauthenticated SSRF via unchecked subscriber callbacks

Published May 8, 2026 · Updated May 8, 2026

SSRF in geopython pygeoapi 0.23.0 through 0.23.2 allows remote attackers to reach internal HTTP services through process requests. The OGC API Processes manager posts to attacker-supplied subscriber callback URLs without checking whether their resolved addresses are private or loopback. An exposed process execution endpoint and configured process are required, and the server can issue unauthenticated HTTP POST requests into otherwise unreachable networks.

CVSS severity8.6
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in geopython pygeoapi 0.23.0 through 0.23.2 allows remote attackers to reach internal HTTP services through process requests. The OGC API Processes manager posts to attacker-supplied subscriber callback URLs without checking whether their resolved addresses are private or loopback. An exposed process execution endpoint and configured process are required, and the server can issue unauthenticated HTTP POST requests into otherwise unreachable networks.

The record

CVE
CVE-2026-42352
Published
May 8, 2026
Updated
May 8, 2026
Vendor
geopython
Product
pygeoapi
Classifications
CWE-918, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 8, 2026CVE publishedPublication date reported by the CVE source.
  2. May 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=>= 0.23.0, < 0.23.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

geopython · pygeoapiversion=>= 0.23.0, < 0.23.3

Published CVSS scores

8.6GitHubCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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