CVE-2026-111649

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.

CVSS 4.0

7.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

EPSS

0.4% chance of exploitation in the next 30 days; higher than 32% of CVEs (scores of 2026-10-25)

CWE

CWE-639

Published

2026-10-16

Modified

2026-10-21

Record from

the NVD, synced 2026-10-22

References

• https://github.com/rocboss/paopao-ce
• https://github.com/rocboss/paopao-ce/blob/v0.6.0-alpha.3/internal/servants/web/priv.go#L208-L250
• https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor
• https://www.vulncheck.com/advisories/rocboss-paopao-ce-through-0.6.0-alpha.3-idor-via-downloadattachment-endpoint
• https://hackmd.io/@hieuPenguinnn/paopao-ce-attachment-download-cross-user-idor

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