CVE-2025-64528

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.28% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 21.0% of scored records. A rank, not a probability.

NVD base score

6.3 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Analyzed. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2025-12-30 16:04Z10 MO AGO

Last updated

2025-12-30 18:11Z10 MO AGO

Reserved

2025-11-05

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

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

Weaknesses

• CWE-202Exposure of Sensitive Information Through Data QueriesBase

Data version

5.2

Document digest

d009f5d1d48da075b7e5904be1fa38a73bbfb888137cf282f7e6d16fd27207d7

• github.comhttps://github.com/discourse/discourse/security/advisories/GHSA-c59w-jwx7-34v4x_refsource_CONFIRM
• github.comhttps://github.com/discourse/discourse/commit/1cb45b8b287597085e3514596ffb1d9b41938f81x_refsource_MISC
• github.comhttps://github.com/discourse/discourse/commit/6192f55629624925595dae14364fd86cac0f09dfx_refsource_MISC
• github.comhttps://github.com/discourse/discourse/commit/e936a523b5900a9d866d23ea3da904ba12bb0fb2x_refsource_MISC