CVE-2026-25883Public exploitNetwork attack vector

Internal service access via unvalidated webhook URL

Published Apr 20, 2026 · Updated Apr 20, 2026

SSRF in the Vexa webhook feature before 0.10.0-260419-1910 allows remote authenticated users to reach internal HTTP services. The send_webhook.py task passes a user-controlled webhook_url directly to httpx.AsyncClient.post without destination validation. A valid API token and a completed meeting are required; the blind POST can reach localhost, internal services, or cloud metadata endpoints.

CVSS severity5.8
Medium
EPSS probability0.20%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

SSRF in the Vexa webhook feature before 0.10.0-260419-1910 allows remote authenticated users to reach internal HTTP services. The send_webhook.py task passes a user-controlled webhook_url directly to httpx.AsyncClient.post without destination validation. A valid API token and a completed meeting are required; the blind POST can reach localhost, internal services, or cloud metadata endpoints.

The record

CVE
CVE-2026-25883
Published
Apr 20, 2026
Updated
Apr 20, 2026
Vendor
Vexa.ai Inc.
Product
Vexa
Classifications
CWE-918, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 20, 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=< 0.10.0-260419-1910

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Vexa.ai Inc. · Vexaversion=< 0.10.0-260419-1910

Published CVSS scores

5.8GitHub, Inc.CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/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.

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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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

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

Public exploit references

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Technologies

Your stack

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Your stack

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