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Advisory record · GHSA-248h-974q-xrc2

axonflow-sdk-java: Webhook signing-key (HMAC-SHA256) not exposed by SDK type, preventing signature verification

CVSS 5.9 Medium

Published by the GitHub Advisory Database at 6 May 2026, 23:16 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

PackageEcosystemAffectedFixed in
com.getaxonflow:axonflow-sdkMaven<7.0.07.0.0
Identifiers
GHSA-248h-974q-xrc2
Weakness (CWE)
CWE-345 · CWE-347
Tags
Published
6 May 2026
Updated
2 Sept 2026

Machine-written summary

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

GHSA-248h-974q-xrc2: The Maven package com.getaxonflow:axonflow-sdk, versions before 7.0.0, did not expose the HMAC-SHA256 signing key returned when a webhook is created, so callers could not verify the X-AxonFlow-Signature header on incoming deliveries. An attacker who learns the webhook URL could forge deliveries that the receiving application would accept. Upgrade to 7.0.0 or later, which exposes the signing key on the webhook subscription type.

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
5.9 Medium 3.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N GitHub Advisory Database
  • CISA KEV Not listed.
  • EPSS No score.

Timeline

  1. 31 Oct 2026, 14:18 UTC First seen by agentprime
  2. 31 Oct 2026, 14:18 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.