CVE-2026-59828

MEDIUM

CVSS v3.1: 5.3

NetworkNo privilegesNo user interactionInformation ExposureVendor advisory ref

Source data as of:

At a glance

Severity
MEDIUM
CVSS
5.3 v3.1 · NVD
EPSS
EPSS not provided by FIRST.org for this CVE
CISA KEV
No
Type
Information Exposure · NVD CWE
Attack conditions (CVSS vector)
NetworkNo privilegesNo user interaction · Source: NVD Vector
Published
2026-07-09 · Modified: 2026-07-09
References
Jump to references (8)

CVSS / EPSS / KEV

CVSS v3.1 5.3 / 10 MEDIUM Source: NVD
EPSS — EPSS not provided by FIRST.org for this CVE Source: FIRST.org
CISA KEV No Source: CISA

Source — CVSS: NVD · EPSS: FIRST.org · KEV: CISA. Data & Sources

Description

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, post revisions that should be hidden from regular users could be leaked through visible diffs on adjacent revisions serialized by PostRevisionSerializer. This issue is fixed in versions 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5.

Record details

CVE ID
CVE-2026-59828
CVSS (v3.1)
5.3 (MEDIUM)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Exploitability subscore
3.9
Impact subscore
1.4
CISA KEV
No
Weakness (CWE)
CWE-200
Affected configurations (CPE)
0
Published
2026-07-09
Modified
2026-07-09
Status
Received

References

Reference URLs as listed by NVD, grouped by a mechanical match on the link's host/pattern. Labels describe the link type only.

Related records

Other records sharing a factual facet, for cross-reference. A descriptive neighbourhood — ordering does not imply priority and is not a recommendation.

Same weakness type (CWE)

CVE-2026-59216 HIGH CVSS 7.7 CVE-2020-26869 HIGH CVSS 7.5 CVE-2025-63579 HIGH CVSS 7.5 CVE-2026-40895 HIGH CVSS 7.5

Published the same year

CVE-2026-46595 CRITICAL CVSS 10.0 CVE-2026-48316 CRITICAL CVSS 10.0 CVE-2026-50086 CRITICAL CVSS 10.0 CVE-2026-50746 CRITICAL CVSS 10.0
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