PT-2026-25984 · Unknown · Parse Server

Fancymalware · CVE-2026-32770 · Published 2026-03-17 · Updated 2026-03-20

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Parse Server versions prior to 9.6.0-alpha.19 Parse Server versions prior to 8.6.43 Parse Server versions prior to 9.6.0 Parse Server versions prior to 8.6.43

Description A remote attacker can cause a denial of service by subscribing to a LiveQuery with an invalid regular expression pattern. The server process terminates when the invalid pattern reaches the regex engine during subscription matching, impacting all connected clients. The issue occurs because the server does not validate regular expression patterns at subscription time.

Recommendations Update to Parse Server version 9.6.0-alpha.19 or later. Update to Parse Server version 8.6.43 or later. Update to Parse Server version 9.6.0 or later. Update to Parse Server version 8.6.43 or later. Disable LiveQuery if it is not needed.

Exploit

Fix

DoS

Weakness Enumeration

CWE-248

Related Identifiers

BIT-PARSE-2026-32770

CVE-2026-32770

GHSA-827P-G5X5-H86C

Affected Products

Parse Server

References · 12

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/32xxx/CVE-2026-32770.json · Exploit
• https://github.com/parse-community/parse-server/security/advisories/GHSA-827p-g5x5-h86c · Vendor Advisory
• https://osv.dev/vulnerability/BIT-parse-2026-32770 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-827p-g5x5-h86c · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2026-32770 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-32770 · Security Note
• https://github.com/parse-community/parse-server · Note
• https://github.com/parse-community/parse-server/pull/10197 · Note
• https://github.com/parse-community/parse-server/pull/10199 · Note
• https://twitter.com/RedPacketSec/status/2034735867063869808 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2034414088453759283 · Twitter Post
• https://twitter.com/CVEnew/status/2034520417998684307 · Twitter Post