CVE-2026-32943Network attack vector

Account takeover via concurrent reset-token reuse

Published Mar 18, 2026 · Updated Mar 18, 2026

Password-reset TOCTOU in Parse Platform Parse Server before 8.6.48 and 9.0.0 through 9.6.0-alpha.27 allows attackers to replace a user password. The password-update path validates a reset token separately from changing the password and clearing the token, so concurrent requests can both pass validation. Exploitation requires an intercepted token and a race with the legitimate reset request; both requests report success, but the attacker's password can take effect.

CVSS severity2.3
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Password-reset TOCTOU in Parse Platform Parse Server before 8.6.48 and 9.0.0 through 9.6.0-alpha.27 allows attackers to replace a user password. The password-update path validates a reset token separately from changing the password and clearing the token, so concurrent requests can both pass validation. Exploitation requires an intercepted token and a race with the legitimate reset request; both requests report success, but the attacker's password can take effect.

The record

CVE
CVE-2026-32943
Published
Mar 18, 2026
Updated
Mar 18, 2026
Vendor
Parse Platform
Product
Parse Server
Classifications
CWE-367, T1098
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 18, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 18, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=< 8.6.48
  2. Affected versionversion=>= 9.0.0, < 9.6.0-alpha.28

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Parse Platform · Parse Serverversion=< 8.6.48; version=>= 9.0.0, < 9.6.0-alpha.28

Published CVSS scores

3.1NVDCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
2.3GitHubCVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-367Time-of-check Time-of-use (TOCTOU) Race Condition
T1098Account Manipulation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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