CVE-2025-12044

Published Oct 23, 2025

Last updated 2 months ago

Overview

Description
Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a previous fix for [+HCSEC-2025-24+|https://discuss.hashicorp.com/t/hcsec-2025-24-vault-denial-of-service-though-complex-json-payloads/76393]  which allowed for processing JSON payloads before applying rate limits. This vulnerability, CVE-2025-12044, is fixed in Vault Community Edition 1.21.0 and Vault Enterprise 1.16.27, 1.19.11, 1.20.5, and 1.21.0.
Source
security@hashicorp.com
NVD status
Analyzed
Products
vault

Risk scores

CVSS 3.1

Type
Secondary
Base score
7.5
Impact score
3.6
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Severity
HIGH

Weaknesses

security@hashicorp.com
CWE-770

Social media

Hype score
Not currently trending
  1. 🚨🚨HashiCorp Patches Vault Flaws CVE-2025-12044: Rate limits applied after JSON parsing → spam massive valid payloads, exhaust CPU/RAM, trigger DoS. CVE-2025-11621: Cache skips account ID check → reuse role names across accounts, bypass auth in multi-tenant setups. Zo

    @zoomeye_team

    28 Oct 2025

    918 Impressions

    3 Retweets

    11 Likes

    3 Bookmarks

    0 Replies

    0 Quotes

  2. 🇺🇸 HashiCorp discloses two critical Vault vulnerabilities (CVE-2025-12044, CVE-2025-11621) enabling auth bypass and DoS in Community & Enterprise builds. Patch/mitigate. #Cybersecurity #OSINT https://t.co/0AySqmllkA

    @STRATINT_AI

    27 Oct 2025

    47 Impressions

    0 Retweets

    0 Likes

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  3. 🚨Alert🚨:CVE-2025-12044&CVE-2025-11621 : Two HashiCorp Patches Vault Flaws——Unauthenticated JSON DoS and AWS Auth Bypass 📊117.9K Services are found on the https://t.co/ysWb28BTvF yearly. 🔗Hunter Link:https://t.co/xHOmRHMcOk 👇Query HUNTER : https://t.co/q9rtu

    @HunterMapping

    27 Oct 2025

    4627 Impressions

    14 Retweets

    62 Likes

    27 Bookmarks

    1 Reply

    1 Quote

  4. # HashiCorp Vault JSON Parsing DoS Regression (CVE-2025-12044) · GitHub https://t.co/MoNZ8KhXgV

    @akaclandestine

    25 Oct 2025

    997 Impressions

    0 Retweets

    2 Likes

    2 Bookmarks

    1 Reply

    0 Quotes

  5. CVE-2025-12044 - Hashicorp Vault and Vault Enterprise vulnerable to a denial of service when processing JSON https://t.co/XoAJrg4kbN For today's test with #pruva i tried to go with an unconventional reproduction, a DoS. The agents went down to pprofing, performance analyzing h

    @N3mes1s

    24 Oct 2025

    1611 Impressions

    6 Retweets

    27 Likes

    8 Bookmarks

    1 Reply

    0 Quotes

  6. CVE-2025-12044 Unauthenticated Denial of Service Vulnerability in HashiCorp Vault Multiple Versions https://t.co/xlLimzp57I

    @VulmonFeeds

    24 Oct 2025

    5 Impressions

    0 Retweets

    0 Likes

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    0 Replies

    0 Quotes

  7. CVE-2025-12044 Vault and Vault Enterprise (“Vault”) are vulnerable to an unauthenticated denial of service when processing JSON payloads. This occurs due to a regression from a prev… https://t.co/7UpiPX5i5p

    @CVEnew

    23 Oct 2025

    369 Impressions

    0 Retweets

    0 Likes

    0 Bookmarks

    0 Replies

    0 Quotes

Configurations