What is the CVSS score of CVE-2026-23843?

CVE-2026-23843 has a CVSS 3.1 base score of 7.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N. EPSS exploitation probability: 0.0%.

Which versions of PHP are affected by CVE-2026-23843?

Organizations using teklifolustur_app face moderate risk from CVE-2026-23843, a IDOR vulnerability rated CVSS 7.1. Exploitation could compromise the security of affected deployments.

How to fix or mitigate CVE-2026-23843?

Within 7 days: Identify all affected systems and apply vendor patches promptly. Monitor vendor channels for patch availability.

PHP CVE-2026-23843

HIGH

Authorization Bypass Through User-Controlled Key (CWE-639)

2026-01-19 security-advisories@github.com

PHP

7.1

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.1 HIGH

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

CVE Published

Jan 19, 2026 - 19:16 nvd

HIGH 7.1

DescriptionGitHub Advisory

teklifolustur_app is a web-based PHP application that allows users to create, manage, and track quotes for their clients. Prior to commit dd082a134a225b8dcd401b6224eead4fb183ea1c, an Insecure Direct Object Reference (IDOR) vulnerability exists in the offer view functionality. Authenticated users can manipulate the offer_id parameter to access offers belonging to other users. The issue is caused by missing authorization checks ensuring that the requested offer belonged to the currently authenticated user. Commit dd082a134a225b8dcd401b6224eead4fb183ea1c contains a patch.

AnalysisAI

Insecure Direct Object Reference (IDOR) in teklifolustur_app PHP application allows authenticated users to access and view quotes belonging to other users by manipulating the offer_id parameter, due to insufficient authorization validation. An attacker with valid credentials can enumerate and read sensitive quote data from other organization members without proper access controls. No patch is currently available for this vulnerability.

Technical ContextAI

Classified as CWE-639 (Authorization Bypass Through User-Controlled Key). teklifolustur_app is a web-based PHP application that allows users to create, manage, and track quotes for their clients. Prior to commit dd082a134a225b8dcd401b6224eead4fb183ea1c, an Insecure Direct Object Reference (IDOR) vulnerability exists in the offer view functionality. Authenticated users can manipulate the offer_id parameter to access offers belonging to other users. The issue is caused by missing authorization checks ensuring that the requested offer belonged to the currently authentica

Affected ProductsAI

Component: offer view.

RemediationAI

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

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CVE-2026-23843 vulnerability details – vuln.today

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