CVE-2026-81890

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

0.17% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 7.1% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. NVD last modified this record on 2026-09-09.

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

2026-08-31 20:29Z1 MO AGO

Last updated

2026-09-01 13:55Z1 MO AGO

Reserved

2026-08-27

Assigning CNA

GitHub_M

Record state

PUBLISHED

Severity

Medium (CVSS 5.4)

CNA CVSS vector

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

Weaknesses

• CWE-352Cross-Site Request Forgery (CSRF)Compound

Data version

5.2

Document digest

f38bd34358a990a6a14589122c698bfbc44e90597b0e990a37add0a39d793e92

• github.comhttps://github.com/Studio-42/elFinder/security/advisories/GHSA-9hjf-w35w-6vx2x_refsource_CONFIRM
• github.comhttps://github.com/Studio-42/elFinder/commit/31284facd033e081b2b69c08873b39c8a413b762x_refsource_MISC
• github.comhttps://github.com/Studio-42/elFinder/commit/36d40fff12222ad4c229d8889d8ed3fd3dbf0415x_refsource_MISC
• github.comhttps://github.com/Studio-42/elFinder/releases/tag/2.1.70x_refsource_MISC