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Advisory record · GHSA-c556-q2mh-477v

OpenAM Authenticated Server-Side Request Forgery (SSRF) via `/sessionservice`

CVSS 5.3 MediumEPSS 0.0041 · 35th percentile

Published by the GitHub Advisory Database at 22 Jun 2026, 20:10 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
org.openidentityplatform.openam:openam-coreMaven<16.1.116.1.1
Identifiers
GHSA-c556-q2mh-477v · CVE-2026-44202
Weakness (CWE)
CWE-918
Tags
Published
22 Jun 2026
Updated
28 Oct 2026

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

OpenAM (org.openidentityplatform.openam:openam-core, Maven) versions before 16.1.1 are affected. An authenticated user can use the /sessionservice endpoint to register URLs for session event notifications, which the server does not sufficiently restrict, causing the server to send outbound requests to attacker-chosen destinations and potentially expose session-related data. Upgrade to openam-core 16.1.1 or later. The source gives few details on the specific conditions required.

Written 2 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

ScoreRatingCVSSVectorSource
5.3 Medium 4.0 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N CNA (GitHub_M)
  • CISA KEV Not listed.
  • EPSS 0.0041, the 35th percentile, on 9 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 31 Oct 2026, 14:16 UTC First seen by agentprime
  2. 31 Oct 2026, 14:16 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.