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Fencer Vulns
medium 6.5

CVE-2023-46701 json

Inaccessible Post Information Leak via Run Timeline IDOR

published 2023-12-12 2 y ago modified 2026-06-17 4 mo ago also BIT-mattermost-2023-46701 , EUVD-2023-50887

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

Mattermost fails to perform authorization checks in the /plugins/playbooks/api/v0/runs/add-to-timeline-dialog endpoint of the Playbooks plugin allowing an attacker to get limited information about a post if they know the post ID

Patch / fix

  • bitnami mattermost 7.8.15, 8.1.6, 9.0.4, 9.1.3, 9.2.2
  • Mattermost Mattermost 8.1.6, 9.0.4, 9.1.3, 9.2.2

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami mattermost
<7.8.15
>=8.0.0, <8.1.6
>=9.0.0, <9.0.4
>=9.1.1, <9.1.3
>=9.2.0, <9.2.2
7.8.15
8.1.6
9.0.4
9.1.3
9.2.2

Affected products

  • Mattermost Mattermost

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
  • CWE-639 Authorization Bypass Through User-Controlled Key

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.