CVE-2026-115933

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

0.24% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 16.1% of scored records. A rank, not a probability.

NVD base score

9.9 (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:C/C:H/I:H/A:H

NVD analysis status

Deferred. NVD last modified this record on 2026-10-26.

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

2026-10-24 14:17Z5 DAYS AGO

Last updated

2026-10-24 14:29Z5 DAYS AGO

Reserved

2026-10-23

Assigning CNA

postiz

Record state

PUBLISHED

Severity

Critical (CVSS 9.9)

CNA CVSS vector

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

Weaknesses

• CWE-290Authentication Bypass by SpoofingBase
• CWE-345Insufficient Verification of Data AuthenticityClass
• CWE-915Improperly Controlled Modification of Dynamically-Determined Object AttributesBase

Data version

5.2

Document digest

1fb28792aff10f11a7edb2397ba49ff70b88f2ec8aa6a1759880ebd6e8269099

• github.comPostizhttps://github.com/gitroomhq/postiz-appproduct
• github.comv2.25.3https://github.com/gitroomhq/postiz-app/releases/tag/v2.25.3release-notes
• github.coma5affe62https://github.com/gitroomhq/postiz-app/commit/a5affe62c74e39c1e7ac960d50d8418b807d532cpatch
• gadvisory.orgGAdvisoryhttps://gadvisory.org/advisories/PSA-2026-YT2HMHvendor-advisory