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CVE-2026-120191— Presenton API missing authentication

Quick assessment

Affected

n/a Presenton

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在 Presenton 0.9.11-beta 及更早版本中发现一处安全弱点。该问题影响组件 API 中的某项未知功能，攻击者可通过操纵该功能导致身份验证机制失效。此漏洞可被远程利用，且相关利用代码已公开，可能被用于实施攻击。建议将受影响组件升级至 0.9.12-beta 版本以修复此问题。相关补丁提交哈希为：44c8a61122b21f17642d717b0c4d6f2c54c0f180。请立即升级受影响的组件。

CVSS 7.3 · High Updated Nov 01, 2026

Possible ATT&CK Techniques 2 AI

T1078 · Valid Accounts T1190 · Exploit Public-Facing Application

Affected Version Matrix 2

Vendor	Product	Version Range	Status
n/a	Presenton	`0.9.11-beta`	affected
		`0.9.12-beta`	unaffected

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Vulnerability Information

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Vulnerability Title

Presenton API missing authentication

Source: CVE Program / CVE List V5

Vulnerability Description

A weakness has been identified in Presenton up to 0.9.11-beta. Affected by this issue is some unknown functionality of the component API. This manipulation causes missing authentication. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.9.12-beta can resolve this issue. Patch name: 44c8a61122b21f17642d717b0c4d6f2c54c0f180. You should upgrade the affected component.

Source: CVE Program / CVE List V5

CVSS Information

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

Source: CVE Program / CVE List V5

Vulnerability Type

关键功能的认证机制缺失

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
-	Presenton	0.9.11-beta	`cpe:2.3:a:presenton:presenton::::::::`

II. Public POCs for CVE-2026-120191

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120191

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Other References for CVE-2026-120191 (9)

https://github.com/presenton/presenton/issues/972 exploit issue-tracking
https://github.com/presenton/presenton/ product
https://github.com/presenton/presenton/commit/44c8a61122b21f17642d717b0c4d6f2c54c0f180 patch
https://github.com/presenton/presenton/releases/tag/v0.9.12-beta patch
https://github.com/presenton/presenton/pull/980 issue-tracking patch
https://vuldb.com/vuln/429530/cti signature permissions-required
https://vuldb.com/cve/CVE-2026-120191 third-party-advisory
https://vuldb.com/vuln/429530 vdb-entry
https://vuldb.com/submit/1027384 third-party-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120191

Same Patch Batch · n/a · 2026-11-01 · 4 CVEs total

CVE-2026-120192	5.3 MEDIUM	Presenton Desktop Authentication Middleware app_data information disclosure
CVE-2026-120218	3.5 LOW	Typemill SvgSanitizer.php saveImage cross site scripting
CVE-2026-120190	3.5 LOW	PostyBirb Plus Submission Description Editor DescriptionInput.tsx cross site scripting

IV. Related Vulnerabilities

Same product: Presenton

Same vendor: n/a

Same weakness: CWE-306