CVE-2026-89036

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 ImpacttotalSuccessful exploitation gives total 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

0.70% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 52.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/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

Awaiting Analysis. NVD last modified this record on 2026-09-22.

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

2026-09-17 15:54Z1 MO AGO

Last updated

2026-10-01 15:21Z27 DAYS AGO

Reserved

2026-09-10

Assigning CNA

VulnCheck

Record state

PUBLISHED

Severity

High (CVSS 8.7)

CNA CVSS vector

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

Weaknesses

• CWE-88Improper Neutralization of Argument Delimiters in a Command ('Argument Injection')Base

Data version

5.2

Document digest

7e0434ce1f5e6b6533ef18cc233eb5c595142fb1bd7254cfc197e8b1cc343ab6

• github.comRelease Taghttps://github.com/appwrite/appwrite/releases#release-2.0.0release-notes
• github.comPull Requesthttps://github.com/appwrite/appwrite/pull/13028issue-trackingpatch
• github.comPatch Commithttps://github.com/appwrite/appwrite/commit/a82dc6e386a6ac7b88e853a1e6fdb59e0b79ddcapatch
• www.vulncheck.comhttps://www.vulncheck.com/advisories/appwrite-argument-injection-via-providerrootdirectory-parameterthird-party-advisory