IBM Security Verify Directory/Verify Directory up to 10.0.4/11.0.0 Session Cookies cross-site request forgery

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9$0-$5k1.44+

Summaryinfo

A vulnerability has been found in IBM Security Verify Directory and Verify Directory up to 10.0.4/11.0.0 and classified as problematic. This affects an unknown part of the component Session Cookies. The manipulation leads to cross-site request forgery. This vulnerability is referenced as CVE-2026-8640. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in IBM Security Verify Directory and Verify Directory up to 10.0.4/11.0.0 and classified as problematic. This issue affects an unknown part of the component Session Cookies. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. Using CWE to declare the problem leads to CWE-352. The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. Impacted is integrity. The summary by CVE is:

IBM Security Verify Directory 10.0.0 through 10.0.4 and IBM Verify Directory 11.0.0 does not set the SameSite attribute on session cookies, making it vulnerable to Cross-Site Request Forgery (CSRF) attacks. An attacker can cause authenticated users' browsers to send unauthorized requests to the application.

It is possible to read the advisory at ibm.com. The identification of this vulnerability is CVE-2026-8640 since 05/14/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 11/08/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 3.5
CNA Vector (ibm): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross-site request forgery
CWE: CWE-352 / CWE-862 / CWE-863
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/14/2026 CVE reserved
11/08/2026 +178 days Advisory disclosed
11/08/2026 +0 days VulDB entry created
11/08/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CNA: ibm
CVE: CVE-2026-8640 (🔒)

GCVE (CVE): GCVE-0-2026-8640
GCVE (VulDB): GCVE-100-432995

Entryinfo

Created: 11/08/2026 20:03
Changes: 11/08/2026 20:03 (62)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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