> CVE-2026-59893 [HIGH]

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PUBLISHED
2026-08-17 18:17
MODIFIED
2026-08-17 18:17
CVSS_SCORE V3
7.5
EPSS (Prob. Exploit)
0.34%
Top 74.5%
DATA SOURCES:
NVD đź”— 2026-08-17 CWE MITRE đź”— 2026-09-01 FIRST EPSS đź”— 2026-10-18 GITHUB đź”— 2026-10-29 OSV đź”— 2026-10-12

> DESCRIPTION

sqlparse is a non-validating SQL parser module for Python. Prior to 0.6.0, SQL_REGEX in sqlparse/keywords.py and the per-position loop in sqlparse/lexer.py repeatedly scan unmatched dollar-quoted literal and multiline-comment delimiters, causing quadratic CPU consumption through sqlparse.parse(), sqlparse.format(), and sqlparse.split(). This issue is fixed in version 0.6.0.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EXPLOITABILITY
3.9
IMPACT
3.6

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Métrique Valeur Interprétation
AV (Vecteur d'Attaque)
Attack Vector
Network (N)
Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque)
Attack Complexity
Low (L)
Peu de conditions requises pour exploiter
PR (Privilèges Requis)
Privileges Required
None (N)
Aucune authentification requise
UI (Interaction Utilisateur)
User Interaction
None (N)
Aucune interaction utilisateur nécessaire
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
None (N)
Aucune divulgation d'informations
I (Impact Intégrité)
Integrity Impact
None (N)
Aucune modification de données possible
A (Impact Disponibilité)
Availability Impact
High (H)
Interruption totale du service possible

> RÉSUMÉ DES IMPACTS

Confidentialité
None
Aucune divulgation d'informations
Intégrité
None
Aucune modification de données possible
Disponibilité
High
Interruption totale du service possible

> WEAKNESSES

CWE-1333

> CWE DETAILED DESCRIPTIONS

CWE-1333: Inefficient Regular Expression Complexity - The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

> RED HAT SECURITY ADVISORIES

Red Hat Security Advisory: A Subscription Management tool for finding and reporting Red Hat product usage
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> GITHUB SECURITY ADVISORY

GHSA-prg7-hcfm-mfcr HIGH

sqlparse: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (Denial of Service)

AFFECTED PACKAGES:
PIP / sqlparse
<= 0.5.6.dev0
Fixed in: 0.6.0

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

sqlparse: Inefficient Regex Handling of Dollar-Quoted SQL Literals Leads to ReDoS (Denial of Service)

AFFECTED PACKAGES:
Unknown / Unknown
36 versions affected
ALIASES:
GHSA-prg7-hcfm-mfcr, PYSEC-2026-3698

> HISTORIQUE DES MODIFICATIONS

Première apparition
17/08/2026 18:17
Source: NVD
đź“Š ENRICHISSEMENT 01/09/2026 06:02
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle valeur:
CWE-1333: Inefficient Regular Expression Complexity - The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.
Total des modifications: 1 Dernière mise à jour: 1 month ago

> REFERENCES

https://github.com/andialbrecht/sqlparse/commit/d1d80602741f77ec78e5a04ce4719244...
https://github.com/andialbrecht/sqlparse/security/advisories/GHSA-prg7-hcfm-mfcr
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