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CVE-2026-88907

📛 CVE Title

SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF

Description

Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass. This issue affects UlakPDF: through 09092026.

Overview

State
PUBLISHED
Assigner (CNA)
TR-CERT
CVSS severity
HIGH
CVSS score
CVSS 7.4 / 10 7.4 7.4 / 10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Effective score
7.4 / 10 HIGH source: CNA overview
CWE(s)
CWE-863
Reserved
2026-09-10
Published
2026-09-24 12:46 UTC
Last updated
2026-09-24 14:41 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/88xxx/CVE-2026-88907.json
Linked Threat
CVE-2026-88907 — SAML ePPN Attribute Validation Bypass in TÜBİTAK ULAKBİM's UlakPDF

NVD / KEV / EPSS data refreshed 2026-09-25 04:33 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-85868
Assigner
TR-CERT
Published
Sep 24, 2026, 12:46:21 PM
Updated
Sep 24, 2026, 2:41:39 PM
EUVD base score (CVSS 3.1)
7.4 / 10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
EUVD-reported EPSS
0.0000
Vendors
TÜBİTAK ULAKBİM
Products
UlakPDF (0 ≤09092026)
Aliases
GHSA-974p-3f2w-mrv2

ENISA description: Incorrect Authorization vulnerability in TÜBİTAK ULAKBİM UlakPDF allows Authentication Bypass. This issue affects UlakPDF: through 09092026.

EUVD references (1)

Affected products (1)

VendorProductVersionsPlatforms
TÜBİTAK ULAKBİM UlakPDF 0 (affected) —

Vendor references (1)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

Remediations (10)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • web:access.redhat.com

    Overall, you have the following options: Upgrade to a supported product version that includes a fix for this vulnerability (recommended). Apply a mitigation (if one exists). Customers with the Technical Account Manager (TAM) RHEL Security Select Add-on can review this CVE directly with their TAM.

    2026-09-25 10:09 UTC
  • web:app.opencve.io

    Remediation No vendor fix or workaround currently provided. OpenCVE Recommended Actions Update Google Chrome to version 152..7977.65 or later. Configure enterprise policy to enforce automatic updates and restrict use of older versions. Disable or restrict the WebProtect feature if possible until a patch is applied.

    2026-09-25 10:09 UTC
  • web:cvetodo.com

    CVE-2026-88907 is an Authentication Bypass vulnerability in TÜBİTAK ULAKBİM UlakPDF. Includes technical details, affected versions, and mitigation steps.

    2026-09-25 10:09 UTC
  • web:directaccess.richardhicks.com

    Microsoft released the September 2026 security updates today, which include numerous fixes affecting Always On VPN deployments. This month's edition addresses vulnerabilities in Windows Server Routing and Remote Access (RRAS), VPN protocols such as Secure Socket Tunneling Protocol (SSTP) and Internet Key Exchange version 2 (IKEv2). The updates also include Active Directory Certificate ...

    2026-09-25 10:09 UTC
  • web:sec.cloudapps.cisco.com

    On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...

    2026-09-25 10:09 UTC
  • web:support.servicenow.com

    What you need to know: On September 24, 2026 , ServiceNow issued CVE - 2026 -86857, CVE - 2026 -86858, CVE - 2026 -13016, CVE - 2026 -86859, and CVE - 2026 -86860. Each of these security issues was identified through

    2026-09-25 10:09 UTC
  • web:www.autodesk.com

    Summary Autodesk Fusion is affected by the vulnerability listed below. Exploitation of this vulnerability may result in arbitrary code execution in the context of the current user. Exploitation of this vulnerability requires user interaction. Description The details of the vulnerability are as follows: CVE - 2026 -10789: A maliciously crafted webpage, when visited by a user with Autodesk Fusion ...

    2026-09-25 10:09 UTC
  • web:www.bleepingcomputer.com

    Today is Microsoft's September 2026 Patch Tuesday, with security updates released for a record-breaking 966 flaws, including two actively exploited zero-day vulnerabilities.

    2026-09-25 10:09 UTC
  • web:www.cisecurity.org

    <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

    2026-09-25 10:09 UTC
  • web:www.oracle.com

    This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-09-25 10:09 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-88907.json.

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                "id": "CVE-2026-88907",
                "options": [
                  {
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                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-09-24T14:41:31.719339Z",
                "version": "2.0.3"
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        "title": "CISA ADP Vulnrichment"
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            "confidentialityImpact": "HIGH",
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