VDB-383334 · CVE-2026-48586 · GCVE-0-2026-48586

Apache Thrift up to 0.23.x TZlibTransport Decompression privilege escalation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
5.3	$0-$5k	2.87

Summaryinfo

A vulnerability classified as problematic was found in Apache Thrift up to 0.23.x. The affected element is an unknown function of the component TZlibTransport Decompression Handler. The manipulation results in an unknown weakness. This vulnerability is cataloged as CVE-2026-48586. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Apache Thrift up to 0.23.x. It has been classified as problematic. Affected is an unknown function of the component TZlibTransport Decompression Handler. The impact remains unknown.

The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2026-48586. The exploitability is told to be easy. 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 07/26/2026).

Upgrading to version 0.24.0 eliminates this vulnerability.

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Productinfo

Vendor

Apache

Name

Thrift

Version

License

open-source

Website

Vendor: https://www.apache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Privilege escalation
CWE: Unknown
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Partially

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

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Thrift 0.24.0

Timelineinfo

07/26/2026 Advisory disclosed
07/26/2026 +0 days VulDB entry created
07/26/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Status: Confirmed

CVE: CVE-2026-48586 (🔒)
GCVE (CVE): GCVE-0-2026-48586
GCVE (VulDB): GCVE-100-383334

Entryinfo

Created: 07/26/2026 18:22
Changes: 07/26/2026 18:22 (50)
Complete: 🔍
Cache ID: 216::103