CVE-2026-111649CWE-639

CVE-2026-111649

Medium · published October 16, 2026

CVSS v3.1
6.5
EPSS
0%
Percentile
22.0
In the wild
Unconfirmed
What it is

Rocboss paopao-ce through 0.6.0-alpha.3 contains an insecure direct object reference vulnerability in DownloadAttachment that allows authenticated users to access private media by supplying arbitrary content IDs. Attackers can enumerate sequential post_content ids via the /v1/attachment endpoint to obtain signed download URLs for other users' private, friend-only and following-only images, videos and attachments.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
7.1 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
EPSS
0.00304 · 22.0th percentile
Weakness
CWE-639 · Authorization Bypass Through User-Controlled Key
Published
2026-10-16T22:17Z
References (5)
https://github.com/rocboss/paopao-ce · [email protected]https://github.com/rocboss/paopao-ce/blob/v0.6.0-alpha.3/internal/servants/web/priv.go#L208-L250 · [email protected]https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor · [email protected]https://www.vulncheck.com/advisories/rocboss-paopao-ce-through-0.6.0-alpha.3-idor-via-downloadattachment-endpoint · [email protected]https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 18 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 16 OCT 17:39Z
    Rocboss paopao-ce through 0.6.0-alpha.3 IDOR via DownloadAttachment Endpoint
    cvelistv5
  • 16 OCT 17:39Z
    Rocboss paopao-ce through 0.6.0-alpha.3 IDOR via DownloadAttachment Endpoint
    cvelistv5