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    8 vulnerabilities by go-shiori

    CVE-2026-71280 (GCVE-0-2026-71280)

    Vulnerability from nvd – Published: 2026-08-05 12:26 – Updated: 2026-08-05 15:50
    VLAI
    Title
    go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch
    Summary
    go-shiori's DownloadBookmark() (internal/core/download.go) fetches a caller-supplied bookmark URL using a plain http.Client with no custom DialContext or destination-IP validation (no IsLoopback(), IsPrivate(), IsUnspecified(), or IsLinkLocalUnicast() checks). An authenticated user creating or updating a bookmark via POST /api/bookmark, PUT /api/v1/bookmarks/cache, or POST /api/bookmarks/ext can supply a loopback (127.0.0.1) or 0.0.0.0 (which Linux redirects to loopback) URL, causing the server to make outbound requests to internal-only services, cloud metadata endpoints, or other network-restricted resources.
    Severity
    8.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    go-shiori shiori Affected: 0 , ≤ * (custom)
    		Create a notification for this product.
    Credits
    Alibek Baxtiyorov
    Show details on NVD website
    To clipboard 

    {
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                "timestamp": "2026-08-05T15:50:35.302293Z",
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
      }
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          "value": "go-shiori\u0027s DownloadBookmark() (internal/core/download.go) fetches a caller-supplied bookmark URL using a plain http.Client with no custom DialContext or destination-IP validation (no IsLoopback(), IsPrivate(), IsUnspecified(), or IsLinkLocalUnicast() checks). An authenticated user creating or updating a bookmark via POST /api/bookmark, PUT /api/v1/bookmarks/cache, or POST /api/bookmarks/ext can supply a loopback (127.0.0.1) or 0.0.0.0 (which Linux redirects to loopback) URL, causing the server to make outbound requests to internal-only services, cloud metadata endpoints, or other network-restricted resources."
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          "url": "https://github.com/go-shiori/shiori/blob/master/internal/core/download.go"
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      "title": "go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch"
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    CVE-2026-71206 (GCVE-0-2026-71206)

    Vulnerability from nvd – Published: 2026-08-05 06:59 – Updated: 2026-08-05 13:19
    VLAI
    Title
    shiori: JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion
    Summary
    Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase. Deleting an account or demoting it from owner to a regular role has no effect on tokens already issued to that account — a deleted or demoted owner's token continues authenticating with its original owner-level privileges until natural expiry, which can be up to 30 days with 'remember me' enabled.
    Severity
    8.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-613 - Insufficient Session Expiration
    Assigner
    References
    Impacted products
    Credits
    Eldor Nabijonov
    Show details on NVD website
    To clipboard 

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    CVE-2026-61463 (GCVE-0-2026-61463)

    Vulnerability from nvd – Published: 2026-07-13 17:22 – Updated: 2026-07-20 17:46
    VLAI
    Title
    Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account
    Summary
    Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    go-shiori shiori Affected: 0 , < 1.8.0 (git)
    		Create a notification for this product.
    Date Public
    2026-07-03 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

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    CVE-2025-60538 (GCVE-0-2025-60538)

    Vulnerability from nvd – Published: 2026-01-09 00:00 – Updated: 2026-01-09 21:21
    VLAI
    Summary
    A lack of rate limiting in the login page of shiori v1.7.4 and below allows attackers to bypass authentication via a brute force attack.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    References
    Show details on NVD website
    To clipboard 

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    CVE-2026-71280 (GCVE-0-2026-71280)

    Vulnerability from cvelistv5 – Published: 2026-08-05 12:26 – Updated: 2026-08-05 15:50
    VLAI
    Title
    go-shiori Server-Side Request Forgery via Unrestricted Bookmark URL Fetch
    Summary
    go-shiori's DownloadBookmark() (internal/core/download.go) fetches a caller-supplied bookmark URL using a plain http.Client with no custom DialContext or destination-IP validation (no IsLoopback(), IsPrivate(), IsUnspecified(), or IsLinkLocalUnicast() checks). An authenticated user creating or updating a bookmark via POST /api/bookmark, PUT /api/v1/bookmarks/cache, or POST /api/bookmarks/ext can supply a loopback (127.0.0.1) or 0.0.0.0 (which Linux redirects to loopback) URL, causing the server to make outbound requests to internal-only services, cloud metadata endpoints, or other network-restricted resources.
    Severity
    8.5 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
    SSVC
    Exploitation: none Automatable: no Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    Assigner
    References
    Impacted products
    Vendor Product Version
    go-shiori shiori Affected: 0 , ≤ * (custom)
    		Create a notification for this product.
    Credits
    Alibek Baxtiyorov
    Show details on NVD website
    To clipboard 

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    CVE-2026-71206 (GCVE-0-2026-71206)

    Vulnerability from cvelistv5 – Published: 2026-08-05 06:59 – Updated: 2026-08-05 13:19
    VLAI
    Title
    shiori: JWT CheckToken Never Re-Validates Account State, Allowing Stale-Privilege Access After Deletion or Demotion
    Summary
    Shiori's CheckToken function (internal/domains/auth.go) validates only the JWT's HMAC signature and returns the embedded claims.Account object unmodified, never re-fetching the account from the database. No session store or token-revocation mechanism exists in the codebase. Deleting an account or demoting it from owner to a regular role has no effect on tokens already issued to that account — a deleted or demoted owner's token continues authenticating with its original owner-level privileges until natural expiry, which can be up to 30 days with 'remember me' enabled.
    Severity
    8.2 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L
    SSVC
    Exploitation: none Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-613 - Insufficient Session Expiration
    Assigner
    References
    Impacted products
    Credits
    Eldor Nabijonov
    Show details on NVD website
    To clipboard 

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    CVE-2026-61463 (GCVE-0-2026-61463)

    Vulnerability from cvelistv5 – Published: 2026-07-13 17:22 – Updated: 2026-07-20 17:46
    VLAI
    Title
    Shiori Authenticated Privilege Escalation via PATCH /api/v1/auth/account
    Summary
    Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
    8.8 (High)
    CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: poc Automatable: no Technical Impact: total
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Vendor Product Version
    go-shiori shiori Affected: 0 , < 1.8.0 (git)
    		Create a notification for this product.
    Date Public
    2026-07-03 00:00
    Credits
    George Chen
    Show details on NVD website
    To clipboard 

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    CVE-2025-60538 (GCVE-0-2025-60538)

    Vulnerability from cvelistv5 – Published: 2026-01-09 00:00 – Updated: 2026-01-09 21:21
    VLAI
    Summary
    A lack of rate limiting in the login page of shiori v1.7.4 and below allows attackers to bypass authentication via a brute force attack.
    Severity
    6.5 (Medium)
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
    SSVC
    Exploitation: poc Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • n/a
    • CWE-290 - Authentication Bypass by Spoofing
    Assigner
    References
    Show details on NVD website
    To clipboard 

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