CVE-2026-78269Network attack vector

Contributor-level server-side request forgery

Published Aug 24, 2026 · Updated Aug 24, 2026

Server-side request forgery in Tammersoft Shared Files 1.7.69 and earlier allows remote authenticated users to make arbitrary outbound requests. Patchstack has not published the affected handler or the operation that accepts and dereferences the attacker-controlled URL. Contributor-level WordPress access is required; successful exploitation can reach arbitrary domains and expose information from other services accessible to the site.

CVSS severity6.4
Medium
EPSS probability0.14%
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 Tammersoft Shared Files 1.7.69 and earlier allows remote authenticated users to make arbitrary outbound requests. Patchstack has not published the affected handler or the operation that accepts and dereferences the attacker-controlled URL. Contributor-level WordPress access is required; successful exploitation can reach arbitrary domains and expose information from other services accessible to the site.

The record

CVE
CVE-2026-78269
Published
Aug 24, 2026
Updated
Aug 24, 2026
Vendor
Tammersoft
Product
Shared Files
Classifications
CWE-918, CAPEC-664, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 24, 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=n/a <=1.7.69 changes=[{"at":"1.7.70","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tammersoft · Shared Filesversion=n/a <=1.7.69 changes=[{"at":"1.7.70","status":"unaffected"}]

Published CVSS scores

6.4PatchstackCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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.

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

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-918Server-Side Request Forgery (SSRF)
CAPEC-664Server Side Request Forgery
T1190Exploit Public-Facing Application

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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