CVE-2026-93506Network attack vectorHinoki check available

Authenticated SSRF via unvalidated remote media URL

Published Sep 18, 2026 · Updated Sep 18, 2026

Server-side request forgery in SveltyCMS 0.0.6 allows remote authenticated users to make server-originated requests via remote media uploads. The /mediagallery/upload-media action passed a user-supplied URL to raw fetch() without validating the destination or redirect chain. Any authenticated user able to submit a remote media URL can reach loopback, private-network, or cloud-metadata services from the server's network context.

CVSS severity5.3
Medium
EPSS probability0.37%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Server-side request forgery in SveltyCMS 0.0.6 allows remote authenticated users to make server-originated requests via remote media uploads. The /mediagallery/upload-media action passed a user-supplied URL to raw fetch() without validating the destination or redirect chain. Any authenticated user able to submit a remote media URL can reach loopback, private-network, or cloud-metadata services from the server's network context.

The record

CVE
CVE-2026-93506
Published
Sep 18, 2026
Updated
Sep 18, 2026
Vendor
SveltyCMS
Product
SveltyCMS
Classifications
CWE-918, T1190, T1552.005
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Sep 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 18, 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=0.0.6

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

SveltyCMS · SveltyCMSversion=0.0.6

Published CVSS scores

6.5VulDB CNAAV:N/AC:L/Au:S/C:P/I:P/A:P
5.3VulDB CNACVSS: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:X
6.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
6.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

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.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
T1190Exploit Public-Facing Application
T1552.005Cloud Instance Metadata API

Public exploit references

No public exploit references are available in this record.

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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