CVE-2026-34198

mediumpriority · track · 0EPSS 0.002 · 6 %ileDEEU
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.17% (6th) EPSS
CVSS 5.3 · medium
Is it mine?
3 products
Check your exposure
Who says so?
3 sources
cnnvd · enisa_euvd · cert_bund

EPSS · scored 2026-10-27

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to 4.0.0-beta.471, the TrustProxies middleware trusts all proxies ($proxies = '*'), accepting X-Forwarded-Host from any source. The TrustHosts middleware, intended to prevent host header attacks, has a circular caching dependency that prevents it from ever validating hosts. When a password reset is requested, the ResetPassword notification generates the reset URL using url(route(..., false)), which derives the host from the (spoofable) request. An unauthenticated attacker can trigger a password reset email containing a link pointing to an attacker-controlled domain, enabling token theft and account takeover. This issue is fixed in version 4.0.0-beta.471.

01

cvss

Technical severity, 0–10. One row per scoring source.

5.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · ENISA EU
v3.15.3mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:Nsecondary · security-advisories@github.comexploitability 1.6 · impact 3.6
v3.14.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-346USCWE-640US
04

affected products (3)

Products and version ranges known to be affected.

05

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-2192Coolify: Mehrere SchwachstellenDeutsch2026-07-02csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Coolify ausnutzen, um beliebigen Programmcode auszuführen, um seine Privilegien zu erhöhen, um Informationen offenzulegen, um falsche Informationen darzustellen, um Dateien zu manipulieren, um einen Denial of Service Angriff durchzuführen, und um Sicherheitsvorkehrungen zu umgehen.

06

also known as (2)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcert_bundNVDCVE.orgMITRE
published 2026-07-07modified 2026-10-25
08

references (12)

External citations — patches, advisories, analysis.

scry

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