CVE-2026-76032Public exploitNetwork attack vector

Authenticated metadata disclosure via missing share-link authorization

Published Aug 18, 2026 · Updated Aug 20, 2026

Missing authorization in Pydio Cells 5.0.0 through 5.0.2 allows remote authenticated users to read share-link metadata via GET /a/share/link/{Uuid}. SharesHandler.GetShareLink in idm/share/rest/handler.go reads the workspace UUID from the path, calls LinkById, and returns the object without the READ-policy MatchPolicies check enforced by the sibling GetCell handler; downstream GetLinkWorkspace also sends SearchWorkspace with no ResourcePolicyQuery, so the workspace service applies no policy filter. Any standard account that learns a workspace UUID from a public share page's START_REPOSITORY value can recover link hashes, URLs, owners, target users, limits, expiry, and password-required state, but not read the shared node itself.

CVSS severity5.3
Medium
EPSS probability0.28%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in Pydio Cells 5.0.0 through 5.0.2 allows remote authenticated users to read share-link metadata via GET /a/share/link/{Uuid}. SharesHandler.GetShareLink in idm/share/rest/handler.go reads the workspace UUID from the path, calls LinkById, and returns the object without the READ-policy MatchPolicies check enforced by the sibling GetCell handler; downstream GetLinkWorkspace also sends SearchWorkspace with no ResourcePolicyQuery, so the workspace service applies no policy filter. Any standard account that learns a workspace UUID from a public share page's START_REPOSITORY value can recover link hashes, URLs, owners, target users, limits, expiry, and password-required state, but not read the shared node itself.

The record

CVE
CVE-2026-76032
Published
Aug 18, 2026
Updated
Aug 20, 2026
Vendor
Pydio
Product
Pydio Cells
Classifications
CWE-862, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 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=5.0.0 <=5.0.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Pydio · Pydio Cellsversion=5.0.0 <=5.0.2

Published CVSS scores

5.3OSVCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA: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 exploitPublished

Weakness, pattern, technique

CWE-862Missing Authorization
T1190Exploit Public-Facing Application

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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