CVE-2026-15500Public exploitNetwork attack vector

Authenticated SSRF via unvalidated custom registry URL

Published Jul 12, 2026 · Updated Jul 12, 2026

Server-side request forgery in AstrBot 4.25.0 through 4.25.2 allows remote authenticated users to access internal HTTP services. The get_online_plugins handler passes the custom_registry URL through _build_registry_source and into session.get without destination, scheme, redirect, or private-network validation, then derives a second MD5 URL for another request. Dashboard credentials are required; successful requests can probe loopback or private services reachable from the AstrBot host.

CVSS severityUnavailable
Unscored
EPSS probability0.37%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Server-side request forgery in AstrBot 4.25.0 through 4.25.2 allows remote authenticated users to access internal HTTP services. The get_online_plugins handler passes the custom_registry URL through _build_registry_source and into session.get without destination, scheme, redirect, or private-network validation, then derives a second MD5 URL for another request. Dashboard credentials are required; successful requests can probe loopback or private services reachable from the AstrBot host.

The record

CVE
CVE-2026-15500
Published
Jul 12, 2026
Updated
Jul 12, 2026
Vendor
AstrBotDevs
Product
AstrBot
Classifications
CWE-918
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 12, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 12, 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=4.25.0
  2. Affected versionversion=4.25.1
  3. Affected versionversion=4.25.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

AstrBotDevs · AstrBotversion=4.25.0; version=4.25.1; version=4.25.2

Published CVSS scores

5.3VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
6.3VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.3VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
6.5VulDBAV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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)

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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