Elastic Kibana up to 8.19.15/9.3.4 Access Token operation after expiration

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Elastic Kibana up to 8.19.15/9.3.4. Affected by this vulnerability is an unknown functionality of the component Access Token Handler. Executing a manipulation can lead to operation after expiration. This vulnerability is registered as CVE-2026-33463. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in Elastic Kibana up to 8.19.15/9.3.4. This vulnerability affects an unknown functionality of the component Access Token Handler. The manipulation with an unknown input leads to a operation after expiration vulnerability. The CWE definition for the vulnerability is CWE-672. The product uses, accesses, or otherwise operates on a resource after that resource has been expired, released, or revoked. As an impact it is known to affect confidentiality. CVE summarizes:

Operation on a Resource after Expiration or Termination (CWE-672) in Kibana can lead to unauthorized information disclosure. A logic error in how expiration timestamps were validated allowed a time-bounded access token to remain usable beyond its intended validity window, enabling an unauthenticated actor in possession of the token to retrieve the associated content after expiration.

The advisory is available at discuss.elastic.co. This vulnerability was named CVE-2026-33463 since 03/20/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/05/2026).

The vulnerability scanner Nessus provides a plugin with the ID 318721 (Kibana 8.x < 8.19.16 / 9.0.x < 9.3.5 Multiple Vulnerabilities (ESA-2026-30 / ESA-2026-33 / ESA-2026-34 / ESA-2026-36)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (318721), EUVD (EUVD-2026-33011) and CERT Bund (WID-SEC-2026-1734). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Open Source Kibana

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (elastic): 🔒

CVSSv2info

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

Exploitinginfo

Class: Operation after expiration
CWE: CWE-672
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 318721
Nessus Name: Kibana 8.x < 8.19.16 / 9.0.x < 9.3.5 Multiple Vulnerabilities (ESA-2026-30 / ESA-2026-33 / ESA-2026-34 / ESA-2026-36)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

03/20/2026 CVE reserved
05/28/2026 +68 days Advisory disclosed
05/28/2026 +0 days VulDB entry created
06/05/2026 +8 days VulDB entry last update

Sourcesinfo

Advisory: discuss.elastic.co
Status: Confirmed

CVE: CVE-2026-33463 (🔒)
GCVE (CVE): GCVE-0-2026-33463
GCVE (VulDB): GCVE-100-366850
EUVD: 🔒
CERT Bund: WID-SEC-2026-1734 - Kibana: Mehrere Schwachstellen

Entryinfo

Created: 05/28/2026 22:18
Updated: 06/05/2026 21:37
Changes: 05/28/2026 22:18 (61), 05/28/2026 23:20 (1), 05/29/2026 13:42 (7), 06/05/2026 21:37 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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