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

CVE-2026-42352 → View on GitHub ↗ View on CVE.org ↗ View on NVD ↗

Description

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 new allow_internal_requests directive.

The commit/fix can be found in 3a63f5b0cc6275e3ae0edb47726b13a43cdd90ef.

Workarounds

Users can update existing applications by disabling process based resources in their pygeoapi config, until 0.23.3 can be installed and deployed.

Basic information

Type
reviewed
Severity
high
Advisory on GitHub
Open advisory ↗
Repository advisory
Open repository advisory ↗
Source code
Browse source ↗
Published (advisory)
2026-04-29 22:19:53 UTC
Updated
2026-05-13 13:38:18 UTC
GitHub reviewed
2026-04-29 22:19:53 UTC
NVD published
2026-05-08

EPSS Score

Score Percentile
0.06% 18.50%

CVSS Scores

Base score Version Severity Vector
8.6 3.1 —
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:C)
Breaking this can reach past the original component and bite other resources—bigger blast radius.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.

Identifiers

Type Value
GHSA GHSA-jgvc-94c8-3chc ↗
CVE CVE-2026-42352 ↗

CWEs

CWE id Name
CWE-918 Server-Side Request Forgery (SSRF)

Credits

  • Elnimo-00 (reporter)

Affected packages (1)

Vulnerable version ranges and first patched releases as published by GitHub.

Ecosystem Package Vulnerable range First patched Vulnerable functions
pip pygeoapi >= 0.23.0, < 0.23.3 0.23.3 —

References

cvelogic Threat Intelligence