CVE-2026-100404

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.41% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 35.5% of scored records. A rank, not a probability.

NVD base score

6.5 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Awaiting Analysis. NVD last modified this record on 2026-10-16.

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

2026-10-14 15:50Z14 DAYS AGO

Last updated

2026-10-14 15:50Z14 DAYS AGO

Reserved

2026-09-25

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 6.5)

CNA CVSS vector

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

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.2

Document digest

fcd6c4aa5e29131e6b113f5e0597f7e705a1b00bc9abc68ac555ecf13274ded1

• github.comhttps://github.com/zulip/zulip/security/advisories/GHSA-5r8f-gq2h-fcgpx_refsource_CONFIRM
• github.comhttps://github.com/zulip/zulip/pull/39913x_refsource_MISC
• github.comhttps://github.com/zulip/zulip/commit/98659a41cb93d4ce329ea14bb0cdfb4b147500bax_refsource_MISC
• github.comhttps://github.com/zulip/zulip/commit/c03db8916456674df3c98614f6f0ef8cd024ef11x_refsource_MISC
• github.comhttps://github.com/zulip/zulip/releases/tag/12.2x_refsource_MISC