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CVE-2025-64422

Rate-limit bypass on login via X-Forwarded-Host header

MEDIUM

4.3

CVSS Score

Published: January 5, 2026 at 08:29 PM UTC

Updated: October 7, 2026 at 10:10 AM UTC

2 products affected across 2 vendorsCoolifyCoolify

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Severity

MEDIUM4.3

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. In Coolify vstarting with version 4.0.0-beta.434, the /login endpoint advertises a rate limit of 5 requests but can be trivially bypassed by rotating the X-Forwarded-For header. This enables unlimited credential stuffing and brute-force attempts against user and admin accounts. As of time of publication, it is unclear if a patch is available.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Coolify · Coollabs

95%

v < 4.0.04.0.0 beta100 4.0.0 beta101 4.0.0 beta102 4.0.0 beta103 4.0.0 beta104 4.0.0 beta105 4.0.0 beta106 4.0.0 beta107 4.0.0 beta108 4.0.0 beta109 4.0.0 beta110 4.0.0 beta111 4.0.0 beta112 4.0.0 beta113 4.0.0 beta114 4.0.0 beta115 4.0.0 beta116 4.0.0 beta117 4.0.0 beta118 4.0.0 beta119 4.0.0 beta120 4.0.0 beta121 4.0.0 beta122 4.0.0 beta123 4.0.0 beta124 4.0.0 beta125 4.0.0 beta126 4.0.0 beta127 4.0.0 beta128 4.0.0 beta129 4.0.0 beta130 4.0.0 beta131 4.0.0 beta132 4.0.0 beta133 4.0.0 beta134 4.0.0 beta135 4.0.0 beta136 4.0.0 beta137 4.0.0 beta138 4.0.0 beta139 4.0.0 beta140 4.0.0 beta141 4.0.0 beta142 4.0.0 beta143 4.0.0 beta144 4.0.0 beta145 4.0.0 beta146 4.0.0 beta147 4.0.0 beta148 4.0.0 beta149 4.0.0 beta150 4.0.0 beta151 4.0.0 beta152 4.0.0 beta153 4.0.0 beta154 4.0.0 beta155 4.0.0 beta156 4.0.0 beta157 4.0.0 beta158 4.0.0 beta159 4.0.0 beta160 4.0.0 beta161 4.0.0 beta162 4.0.0 beta163 4.0.0 beta164 4.0.0 beta165 4.0.0 beta166 4.0.0 beta167 4.0.0 beta168 4.0.0 beta169 4.0.0 beta170 4.0.0 beta171 4.0.0 beta172 4.0.0 beta173 4.0.0 beta174 4.0.0 beta175 4.0.0 beta176 4.0.0 beta177 4.0.0 beta178 4.0.0 beta179 4.0.0 beta18 4.0.0 beta180 4.0.0 beta181 4.0.0 beta182 4.0.0 beta183 4.0.0 beta184 4.0.0 beta185 4.0.0 beta186 4.0.0 beta187 4.0.0 beta188 4.0.0 beta189 4.0.0 beta19 4.0.0 beta190 4.0.0 beta191 4.0.0 beta192 4.0.0 beta193 4.0.0 beta194 4.0.0 beta195 4.0.0 beta196 4.0.0 beta197 4.0.0 beta198 4.0.0 beta199 4.0.0 beta20 4.0.0 beta200 4.0.0 beta201 4.0.0 beta202 4.0.0 beta203 4.0.0 beta204 4.0.0 beta205 4.0.0 beta206 4.0.0 beta207 4.0.0 beta208 4.0.0 beta209 4.0.0 beta21 4.0.0 beta211 4.0.0 beta212 4.0.0 beta213 4.0.0 beta214 4.0.0 beta215 4.0.0 beta216 4.0.0 beta217 4.0.0 beta218 4.0.0 beta219 4.0.0 beta22 4.0.0 beta220 4.0.0 beta221 4.0.0 beta222 4.0.0 beta223 4.0.0 beta224 4.0.0 beta225 4.0.0 beta226 4.0.0 beta227 4.0.0 beta228 4.0.0 beta229 4.0.0 beta23 4.0.0 beta230 4.0.0 beta231 4.0.0 beta232 4.0.0 beta233 4.0.0 beta234 4.0.0 beta235 4.0.0 beta236 4.0.0 beta237 4.0.0 beta238 4.0.0 beta239 4.0.0 beta24 4.0.0 beta240 4.0.0 beta241 4.0.0 beta242 4.0.0 beta243 4.0.0 beta244 4.0.0 beta245 4.0.0 beta246 4.0.0 beta247 4.0.0 beta248 4.0.0 beta249 4.0.0 beta25 4.0.0 beta250 4.0.0 beta251 4.0.0 beta252 4.0.0 beta253 4.0.0 beta254 4.0.0 beta255 4.0.0 beta256 4.0.0 beta257 4.0.0 beta258 4.0.0 beta259 4.0.0 beta26 4.0.0 beta260 4.0.0 beta261 4.0.0 beta262 4.0.0 beta263 4.0.0 beta264 4.0.0 beta265 4.0.0 beta266 4.0.0 beta267 4.0.0 beta268 4.0.0 beta269 4.0.0 beta27 4.0.0 beta270 4.0.0 beta271 4.0.0 beta272 4.0.0 beta273 4.0.0 beta274 4.0.0 beta275 4.0.0 beta276 4.0.0 beta277 4.0.0 beta278 4.0.0 beta279 4.0.0 beta28 4.0.0 beta280 4.0.0 beta281 4.0.0 beta282 4.0.0 beta283 4.0.0 beta284 4.0.0 beta285 4.0.0 beta286 4.0.0 beta287 4.0.0 beta288 4.0.0 beta289 4.0.0 beta29 4.0.0 beta290 4.0.0 beta291 4.0.0 beta292 4.0.0 beta293 4.0.0 beta294 4.0.0 beta295 4.0.0 beta296 4.0.0 beta297 4.0.0 beta298 4.0.0 beta299 4.0.0 beta30 4.0.0 beta300 4.0.0 beta301 4.0.0 beta302 4.0.0 beta303 4.0.0 beta304 4.0.0 beta305 4.0.0 beta306 4.0.0 beta307 4.0.0 beta308 4.0.0 beta309 4.0.0 beta31 4.0.0 beta310 4.0.0 beta311 4.0.0 beta312 4.0.0 beta313 4.0.0 beta314 4.0.0 beta315 4.0.0 beta316 4.0.0 beta317 4.0.0 beta318 4.0.0 beta319 4.0.0 beta32 4.0.0 beta320 4.0.0 beta321 4.0.0 beta322 4.0.0 beta323 4.0.0 beta324 4.0.0 beta325 4.0.0 beta326 4.0.0 beta327 4.0.0 beta328 4.0.0 beta329 4.0.0 beta33 4.0.0 beta330 4.0.0 beta331 4.0.0 beta332 4.0.0 beta333 4.0.0 beta334 4.0.0 beta335 4.0.0 beta336 4.0.0 beta337 4.0.0 beta338 4.0.0 beta339 4.0.0 beta34 4.0.0 beta340 4.0.0 beta341 4.0.0 beta342 4.0.0 beta343 4.0.0 beta344 4.0.0 beta345 4.0.0 beta346 4.0.0 beta347 4.0.0 beta348 4.0.0 beta349 4.0.0 beta35 4.0.0 beta350 4.0.0 beta351 4.0.0 beta352 4.0.0 beta353 4.0.0 beta354 4.0.0 beta355 4.0.0 beta356 4.0.0 beta357 4.0.0 beta358 4.0.0 beta359 4.0.0 beta36 4.0.0 beta360 4.0.0 beta361 4.0.0 beta362 4.0.0 beta363 4.0.0 beta364 4.0.0 beta365 4.0.0 beta366 4.0.0 beta367 4.0.0 beta368 4.0.0 beta369 4.0.0 beta37 4.0.0 beta370 4.0.0 beta371 4.0.0 beta372 4.0.0 beta373 4.0.0 beta374 4.0.0 beta375 4.0.0 beta376 4.0.0 beta377 4.0.0 beta378 4.0.0 beta379 4.0.0 beta38 4.0.0 beta380 4.0.0 beta381 4.0.0 beta382 4.0.0 beta383 4.0.0 beta384 4.0.0 beta385 4.0.0 beta386 4.0.0 beta387 4.0.0 beta388 4.0.0 beta389 4.0.0 beta39 4.0.0 beta390 4.0.0 beta391 4.0.0 beta392 4.0.0 beta393 4.0.0 beta394 4.0.0 beta395 4.0.0 beta396 4.0.0 beta397 4.0.0 beta398 4.0.0 beta399 4.0.0 beta40 4.0.0 beta400 4.0.0 beta401 4.0.0 beta402 4.0.0 beta404 4.0.0 beta405 4.0.0 beta406 4.0.0 beta407 4.0.0 beta408 4.0.0 beta409 4.0.0 beta41 4.0.0 beta410 4.0.0 beta411 4.0.0 beta412 4.0.0 beta413 4.0.0 beta414 4.0.0 beta415 4.0.0 beta416 4.0.0 beta417 4.0.0 beta418 4.0.0 beta419 4.0.0 beta42 4.0.0 beta420 4.0.0 beta420.1 4.0.0 beta420.2 4.0.0 beta420.3 4.0.0 beta420.4 4.0.0 beta420.5 4.0.0 beta420.6 4.0.0 beta420.7 4.0.0 beta420.8 4.0.0 beta420.9 4.0.0 beta421 4.0.0 beta422 4.0.0 beta423 4.0.0 beta424 4.0.0 beta425 4.0.0 beta426 4.0.0 beta427 4.0.0 beta428 4.0.0 beta429 4.0.0 beta43 4.0.0 beta430 4.0.0 beta431 4.0.0 beta432 4.0.0 beta433 4.0.0 beta434 4.0.0 beta435 4.0.0 beta44 4.0.0 beta45 4.0.0 beta46 4.0.0 beta47 4.0.0 beta48 4.0.0 beta49 4.0.0 beta50 4.0.0 beta51 4.0.0 beta52 4.0.0 beta53 4.0.0 beta54 4.0.0 beta55 4.0.0 beta56 4.0.0 beta57 4.0.0 beta58 4.0.0 beta59 4.0.0 beta60 4.0.0 beta61 4.0.0 beta62 4.0.0 beta63 4.0.0 beta64 4.0.0 beta65 4.0.0 beta66 4.0.0 beta67 4.0.0 beta68 4.0.0 beta69 4.0.0 beta70 4.0.0 beta71 4.0.0 beta72 4.0.0 beta73 4.0.0 beta74 4.0.0 beta75 4.0.0 beta76 4.0.0 beta77 4.0.0 beta78 4.0.0 beta79 4.0.0 beta80 4.0.0 beta81 4.0.0 beta82 4.0.0 beta83 4.0.0 beta84 4.0.0 beta85 4.0.0 beta86 4.0.0 beta87 4.0.0 beta88 4.0.0 beta89 4.0.0 beta90 4.0.0 beta91 4.0.0 beta92 4.0.0 beta93 4.0.0 beta94 4.0.0 beta95 4.0.0 beta96 4.0.0 beta97 4.0.0 beta98 4.0.0 beta99

Affected range stops below 4.0.0, so it looks safe — our inference, not a vendor statement

Coolify · Coollabsio

60%

>= 4.0.0-beta.434

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

https://github.com/coollabsio/coolify/security/advisories/GHSA-688j-rm43-5r8x

References (1)

x_refsource_CONFIRMExploitVendor Advisory

Source: cverecord

https://github.com/coollabsio/coolify/security/advisories/GHSA-688j-rm43-5r8x

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUM[email protected]

Attack Vector: NETWORK
Complexity: LOW
Privileges: NONE
User Interaction: REQUIRED
Scope: UNCHANGED
Confidentiality: NONE
Integrity: NONE
Availability: LOW

Vector?

Quick Info

StatusANALYZED

CWE

CWE-770

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