CVE-2026-109954: high-severity vulnerability in parse-community parse-server
Parse Server 9.0.0 before 9.10.2-alpha.5 Transactional Batch Request Write Interference
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.3epss 0.2%
Parse Server 5.4.0 before 8.6.96 and 9.0.0 before 9.10.2-alpha.5 shares transactional batch state across concurrent requests, letting any client's transactional batch request interfere with other clients' database writes. On PostgreSQL or MongoDB replica sets and sharded clusters, other clients' acknowledged writes are rolled back if the batch fails, and PostgreSQL transactions can remain open indefinitely, causing subsequent writes to fail.
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N
Affected products
parse-community · parse-serverRelated CVEs — parse-community parse-server
In the same product, most dangerous first.
CVE-2022-24760CRITICALCommand Injection in Parse serverEPSS 49.4%CVE-2022-39396CRITICALParse Server vulnerable to Remote Code Execution via prototype pollution in MongoDB BSON parserEPSS 38.7%CVE-2024-39309CRITICALZDI-CAN-23894: Parse Server literalizeRegexPart SQL Injection Authentication Bypass VulnerabilityEPSS 20.2%CVE-2023-36475CRITICALParse Server vulnerable to remote code execution via MongoDB BSON parser through prototype pollutionEPSS 3.2%CVE-2021-39187HIGHCrash server with query parameterEPSS 1.8%CVE-2026-30965CRITICALParse Server session token exfiltration via `redirectClassNameForKey` query parameterEPSS 1.4%