andialbrecht sqlparse up to 0.5.x sqlparse/sql.py sqlparse.parse/sqlparse.format/sqlparse.split denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.1$0-$5k0.00+

Summaryinfo

A vulnerability classified as problematic was found in andialbrecht sqlparse up to 0.5.x. Affected by this issue is the function sqlparse.parse/sqlparse.format/sqlparse.split of the file sqlparse/sql.py. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2026-54284. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in andialbrecht sqlparse up to 0.5.x and classified as problematic. Affected by this issue is the function sqlparse.parse/sqlparse.format/sqlparse.split of the file sqlparse/sql.py. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-1347. Impacted is availability. CVE summarizes:

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, TokenList construction and string conversion in sqlparse/sql.py repeatedly flatten nested token subtrees constructed by group_parenthesis and group_case, causing quadratic CPU consumption through sqlparse.parse(), sqlparse.format(), and sqlparse.split() before depth and token limits terminate processing. This issue is fixed in version 0.6.0.

The advisory is available at github.com. This vulnerability is handled as CVE-2026-54284 since 06/12/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit.

Upgrading to version 0.6.0 eliminates this vulnerability.

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

Productinfo

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-1347
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: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: sqlparse 0.6.0

Timelineinfo

06/12/2026 CVE reserved
08/17/2026 +66 days Advisory disclosed
08/17/2026 +0 days VulDB entry created
08/17/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-54284 (🔒)
GCVE (CVE): GCVE-0-2026-54284
GCVE (VulDB): GCVE-100-391370

Entryinfo

Created: 08/17/2026 20:05
Changes: 08/17/2026 20:05 (68)
Complete: 🔍
Cache ID: 216::103

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

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