CWE-444
AllowedInconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
Abstraction: Base · Status: Incomplete
The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.
674 vulnerabilities reference this CWE, most recent first.
GHSA-CJPG-RGQ5-FR37
Vulnerability from github – Published: 2026-06-09 06:31 – Updated: 2026-07-30 18:33Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks.
Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
{
"affected": [
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 7.0.7"
},
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webmvc"
},
"ranges": [
{
"events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.0.8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 7.0.7"
},
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webflux"
},
"ranges": [
{
"events": [
{
"introduced": "7.0.0"
},
{
"fixed": "7.0.8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 6.2.18"
},
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webmvc"
},
"ranges": [
{
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.19"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c= 6.2.18"
},
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webflux"
},
"ranges": [
{
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.2.19"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webmvc"
},
"ranges": [
{
"events": [
{
"introduced": "6.1.0"
},
{
"last_affected": "6.1.21"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webflux"
},
"ranges": [
{
"events": [
{
"introduced": "6.1.0"
},
{
"last_affected": "6.1.21"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webmvc"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.3.39"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.springframework:spring-webflux"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"last_affected": "5.3.39"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-41853"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": true,
"github_reviewed_at": "2026-07-30T18:33:27Z",
"nvd_published_at": "2026-06-09T05:16:37Z",
"severity": "MODERATE"
},
"details": "Spring MVC and WebFlux applications are vulnerable to Multipart request smuggling attacks.\n\nAffected versions:\nSpring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.",
"id": "GHSA-cjpg-rgq5-fr37",
"modified": "2026-07-30T18:33:27Z",
"published": "2026-06-09T06:31:58Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-41853"
},
{
"type": "PACKAGE",
"url": "https://github.com/spring-projects/spring-framework"
},
{
"type": "WEB",
"url": "https://github.com/spring-projects/spring-framework/releases/tag/v6.2.19"
},
{
"type": "WEB",
"url": "https://github.com/spring-projects/spring-framework/releases/tag/v7.0.8"
},
{
"type": "WEB",
"url": "https://spring.io/security/cve-2026-41853"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Spring Framework Multipart Request Smuggling in Spring MVC and WebFlux"
}
GHSA-CPHF-4846-3XX9
Vulnerability from github – Published: 2026-01-15 21:31 – Updated: 2026-01-16 20:20The Vert.x Web static handler component cache can be manipulated to deny the access to static files served by the handler using specifically crafted request URI.
The issue comes from an improper implementation of the C. rule of section 5.2.4 of RFC3986 and is fixed in Vert.x Core component (used by Vert.x Web): https://github.com/eclipse-vertx/vert.x/pull/5895
Steps to reproduce Given a file served by the static handler, craft an URI that introduces a string like bar%2F..%2F after the last / char to deny the access to the URI with an HTTP 404 response. For example https://example.com/foo/index.html can be denied with https://example.com/foo/bar%2F..%2Findex.html
Mitgation Disabling Static Handler cache fixes the issue.
StaticHandler staticHandler = StaticHandler.create().setCachingEnabled(false);
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "io.vertx:vertx-core"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.5.24"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "io.vertx:vertx-core"
},
"ranges": [
{
"events": [
{
"introduced": "5.0.0.CR1"
},
{
"fixed": "5.0.7"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-1002"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": true,
"github_reviewed_at": "2026-01-15T22:51:27Z",
"nvd_published_at": "2026-01-15T21:16:05Z",
"severity": "MODERATE"
},
"details": "The Vert.x Web static handler component cache can be manipulated to deny the access to static files served by the handler using specifically crafted request URI.\n\n\nThe issue comes from an improper implementation of the C. rule of section 5.2.4 of RFC3986 and is fixed in Vert.x Core component (used by Vert.x Web): https://github.com/eclipse-vertx/vert.x/pull/5895 \n\n\n\nSteps to reproduce\nGiven a file served by the static handler, craft an URI that introduces a string like bar%2F..%2F after the last / char to deny the access to the URI with an HTTP 404 response. For example https://example.com/foo/index.html can be denied with https://example.com/foo/bar%2F..%2Findex.html\n\nMitgation\nDisabling Static Handler cache fixes the issue.\n\n\n\nStaticHandler staticHandler = StaticHandler.create().setCachingEnabled(false);",
"id": "GHSA-cphf-4846-3xx9",
"modified": "2026-01-16T20:20:55Z",
"published": "2026-01-15T21:31:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-1002"
},
{
"type": "WEB",
"url": "https://github.com/vert-x3/vertx-web/issues/2836"
},
{
"type": "WEB",
"url": "https://github.com/eclipse-vertx/vert.x/pull/5894"
},
{
"type": "WEB",
"url": "https://github.com/eclipse-vertx/vert.x/pull/5895"
},
{
"type": "WEB",
"url": "https://github.com/eclipse-vertx/vert.x/commit/5b67f5d17788b2483d277c760f3f8154f9b2fed0"
},
{
"type": "WEB",
"url": "https://github.com/eclipse-vertx/vert.x/commit/d007e7b418543eb1567fe95cf20f5450a5c2d047"
},
{
"type": "PACKAGE",
"url": "https://github.com/eclipse-vertx/vert.x"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L",
"type": "CVSS_V4"
}
],
"summary": "Vert.x Web static handler component cache can be manipulated to deny the access to static files"
}
GHSA-CQ5Q-38RC-VWRJ
Vulnerability from github – Published: 2025-08-29 03:30 – Updated: 2025-08-29 03:30Akamai Ghost before 2025-07-21 allows HTTP Request Smuggling via an OPTIONS request that has an entity body, because there can be a subsequent request within the persistent connection between an Akamai proxy server and an origin server, if the origin server violates certain Internet standards.
{
"affected": [],
"aliases": [
"CVE-2025-54142"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-29T01:15:35Z",
"severity": "MODERATE"
},
"details": "Akamai Ghost before 2025-07-21 allows HTTP Request Smuggling via an OPTIONS request that has an entity body, because there can be a subsequent request within the persistent connection between an Akamai proxy server and an origin server, if the origin server violates certain Internet standards.",
"id": "GHSA-cq5q-38rc-vwrj",
"modified": "2025-08-29T03:30:50Z",
"published": "2025-08-29T03:30:50Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-54142"
},
{
"type": "WEB",
"url": "https://community.akamai.com/customers/s/feed/0D5a700000W51m8CAB"
},
{
"type": "WEB",
"url": "https://www.akamai.com/blog/security-research/advisory-cve-2025-54142-http-request-smuggling-via-options-body"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-CQ96-MHX2-84M8
Vulnerability from github – Published: 2022-12-06 18:30 – Updated: 2022-12-08 00:30Multiple instances of improper input validation vulnerability in Fortinet FortiADC version 7.1.0, version 7.0.0 through 7.0.2 and version 6.2.4 and below allows an authenticated attacker to retrieve files with specific extension from the underlying Linux system via crafted HTTP requests.
{
"affected": [],
"aliases": [
"CVE-2022-33876"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2022-12-06T17:15:00Z",
"severity": "MODERATE"
},
"details": "Multiple instances of improper input validation vulnerability in Fortinet FortiADC version 7.1.0, version 7.0.0 through 7.0.2 and version 6.2.4 and below allows an authenticated attacker to retrieve files with specific extension from the underlying Linux system via crafted HTTP requests.",
"id": "GHSA-cq96-mhx2-84m8",
"modified": "2022-12-08T00:30:29Z",
"published": "2022-12-06T18:30:18Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-33876"
},
{
"type": "WEB",
"url": "https://fortiguard.com/psirt/FG-IR-22-253"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-CQQJ-4P63-RRMM
Vulnerability from github – Published: 2020-02-21 18:55 – Updated: 2025-07-02 15:50HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an "invalid fold."
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "io.netty:netty-codec-http"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.1.44"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"database_specific": {
"last_known_affected_version_range": "\u003c 4.0.0"
},
"package": {
"ecosystem": "Maven",
"name": "org.jboss.netty:netty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
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]
},
{
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"last_known_affected_version_range": "\u003c 4.0.0"
},
"package": {
"ecosystem": "Maven",
"name": "io.netty:netty"
},
"ranges": [
{
"events": [
{
"introduced": "0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2019-20444"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": true,
"github_reviewed_at": "2020-02-20T20:54:33Z",
"nvd_published_at": "2020-01-29T21:15:00Z",
"severity": "CRITICAL"
},
"details": "HttpObjectDecoder.java in Netty before 4.1.44 allows an HTTP header that lacks a colon, which might be interpreted as a separate header with an incorrect syntax, or might be interpreted as an \"invalid fold.\"",
"id": "GHSA-cqqj-4p63-rrmm",
"modified": "2025-07-02T15:50:12Z",
"published": "2020-02-21T18:55:24Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20444"
},
{
"type": "WEB",
"url": "https://github.com/netty/netty/issues/9866"
},
{
"type": "WEB",
"url": "https://github.com/netty/netty/pull/9871/files#diff-e26989b9171ef22c27c9f7d80689cfb059d568c9bd10e75970d96c02d0654878"
},
{
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"url": "https://github.com/netty/netty/pull/9871"
},
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],
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"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "HTTP Request Smuggling in Netty"
}
GHSA-CQW7-466V-F9G6
Vulnerability from github – Published: 2025-03-12 15:32 – Updated: 2025-03-12 15:32In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possible
{
"affected": [],
"aliases": [
"CVE-2025-29904"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-03-12T13:15:38Z",
"severity": "MODERATE"
},
"details": "In JetBrains Ktor before 3.1.1 an HTTP Request Smuggling was possible",
"id": "GHSA-cqw7-466v-f9g6",
"modified": "2025-03-12T15:32:05Z",
"published": "2025-03-12T15:32:05Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-29904"
},
{
"type": "WEB",
"url": "https://www.jetbrains.com/privacy-security/issues-fixed"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-CRQG-WQ4G-597M
Vulnerability from github – Published: 2026-07-29 09:31 – Updated: 2026-07-29 09:31Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1.
This issue affects Apache Traffic Server: from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
{
"affected": [],
"aliases": [
"CVE-2026-58153"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-29T09:16:29Z",
"severity": "MODERATE"
},
"details": "Apache Traffic Server forwards HTTP/2 origin trailers to HTTP/1 clients without proper chunked framing when converting HTTP/2 to HTTP/1.\n\nThis issue affects Apache Traffic Server: from 10.0.0 through 10.1.3.\n\nUsers are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.",
"id": "GHSA-crqg-wq4g-597m",
"modified": "2026-07-29T09:31:29Z",
"published": "2026-07-29T09:31:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-58153"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-CRQJ-898F-X3M2
Vulnerability from github – Published: 2025-05-16 15:31 – Updated: 2025-07-29 15:31A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after a chunk, and is no longer exploitable. No action is required as Classic Application Load Balancer service after 2025-04-26 is not vulnerable.
{
"affected": [],
"aliases": [
"CVE-2025-4600"
],
"database_specific": {
"cwe_ids": [
"CWE-20",
"CWE-444"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-16T14:15:32Z",
"severity": "HIGH"
},
"details": "A request smuggling vulnerability existed in the Google Cloud Classic Application Load Balancer due to improper handling of chunked-encoded HTTP requests. This allowed attackers to craft requests that could be misinterpreted by backend servers. The issue was fixed by disallowing stray data after a chunk, and is no longer exploitable. No action is required as Classic Application Load Balancer service after 2025-04-26 is not vulnerable.",
"id": "GHSA-crqj-898f-x3m2",
"modified": "2025-07-29T15:31:29Z",
"published": "2025-05-16T15:31:03Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-4600"
},
{
"type": "WEB",
"url": "https://cloud.google.com/support/bulletins#gcp-2025-027"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-CRVJ-82CR-HJCX
Vulnerability from github – Published: 2026-09-08 21:22 – Updated: 2026-09-08 21:22Summary
Hono's query parsing does not stop at the URL fragment: a ? appearing after a # is treated as the start of a query string. As a result, the application can read request parameters that no other component involved in handling the request can see.
Details
A fragment is never part of the query, and every standard URL consumer — browsers, new URL(), reverse proxies — ignores everything from the first # onward. Hono's routing followed that rule; its query helpers did not.
For one and the same request, this produces an interpretation differential:
- A component in front of the application that inspects the query string — filtering rules, parameter allow/deny lists, access logging — observes no parameters, while the application reads and acts on them.
- The cache middleware removed the fragment when building its cache key, so a response influenced by parameters carried inside the fragment could be stored under a key that did not reflect them and later returned to other users.
The same divergence reaches request validation and any middleware that reads query parameters.
This requires a request target containing a literal # to reach the application. Deployments on runtimes that normalise such a target — including Cloudflare Workers — are not affected, and neither are those behind an intermediary that strips the fragment.
Impact
An attacker can cause the application to act on parameters that components in front of it never observe.
This may lead to:
- filtering rules, allow/deny lists, and audit logging being blind to parameters the application still processes
- a cached response being stored under a key that does not reflect the parameters used to produce it, and served to other users
- stored cross-site scripting, where such a parameter is reflected into a cached HTML response without escaping
This issue affects applications that read query parameters and run on a runtime that passes a literal # through to the request URL.
{
"affected": [
{
"package": {
"ecosystem": "npm",
"name": "hono"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.13.5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-84363"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": true,
"github_reviewed_at": "2026-09-08T21:22:50Z",
"nvd_published_at": "2026-09-01T21:18:47Z",
"severity": "MODERATE"
},
"details": "### Summary\n\nHono\u0027s query parsing does not stop at the URL fragment: a `?` appearing after a `#` is treated as the start of a query string. As a result, the application can read request parameters that no other component involved in handling the request can see.\n\n### Details\n\nA fragment is never part of the query, and every standard URL consumer \u2014 browsers, `new URL()`, reverse proxies \u2014 ignores everything from the first `#` onward. Hono\u0027s routing followed that rule; its query helpers did not.\n\nFor one and the same request, this produces an interpretation differential:\n\n- A component in front of the application that inspects the query string \u2014 filtering rules, parameter allow/deny lists, access logging \u2014 observes no parameters, while the application reads and acts on them.\n- The cache middleware removed the fragment when building its cache key, so a response influenced by parameters carried inside the fragment could be stored under a key that did not reflect them and later returned to other users.\n\nThe same divergence reaches request validation and any middleware that reads query parameters.\n\nThis requires a request target containing a literal `#` to reach the application. Deployments on runtimes that normalise such a target \u2014 including Cloudflare Workers \u2014 are not affected, and neither are those behind an intermediary that strips the fragment.\n\n### Impact\n\nAn attacker can cause the application to act on parameters that components in front of it never observe.\n\nThis may lead to:\n\n- filtering rules, allow/deny lists, and audit logging being blind to parameters the application still processes\n- a cached response being stored under a key that does not reflect the parameters used to produce it, and served to other users\n- stored cross-site scripting, where such a parameter is reflected into a cached HTML response without escaping\n\nThis issue affects applications that read query parameters and run on a runtime that passes a literal `#` through to the request URL.",
"id": "GHSA-crvj-82cr-hjcx",
"modified": "2026-09-08T21:22:50Z",
"published": "2026-09-08T21:22:50Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/honojs/hono/security/advisories/GHSA-crvj-82cr-hjcx"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-84363"
},
{
"type": "WEB",
"url": "https://github.com/honojs/hono/commit/9c28d724c5a7fb086ebaa812fdc1ad6e957c63bc"
},
{
"type": "PACKAGE",
"url": "https://github.com/honojs/hono"
},
{
"type": "WEB",
"url": "https://github.com/honojs/hono/releases/tag/v4.13.5"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
],
"summary": "Hono: Query parser reads parameters after the URL fragment, causing cache-key and proxy interpretation differentials"
}
GHSA-CVPP-RMJX-5X2M
Vulnerability from github – Published: 2025-05-14 00:32 – Updated: 2025-05-29 09:30Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries.
{
"affected": [],
"aliases": [
"CVE-2025-47905"
],
"database_specific": {
"cwe_ids": [
"CWE-444"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-05-13T22:15:24Z",
"severity": "MODERATE"
},
"details": "Varnish Cache before 7.6.3 and 7.7 before 7.7.1, and Varnish Enterprise before 6.0.13r14, allow client-side desync via HTTP/1 requests, because the product incorrectly permits CRLF to be skipped to delimit chunk boundaries.",
"id": "GHSA-cvpp-rmjx-5x2m",
"modified": "2025-05-29T09:30:59Z",
"published": "2025-05-14T00:32:21Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47905"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00040.html"
},
{
"type": "WEB",
"url": "https://varnish-cache.org/security/VSV00016.html"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2025/05/15/2"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N",
"type": "CVSS_V3"
}
]
}
Mitigation
Use a web server that employs a strict HTTP parsing procedure, such as Apache [REF-433].
Mitigation
Use only SSL communication.
Mitigation
Terminate the client session after each request.
Mitigation
Turn all pages to non-cacheable.
CAPEC-273: HTTP Response Smuggling
An adversary manipulates and injects malicious content in the form of secret unauthorized HTTP responses, into a single HTTP response from a vulnerable or compromised back-end HTTP agent (e.g., server).
See CanPrecede relationships for possible consequences.
CAPEC-33: HTTP Request Smuggling
An adversary abuses the flexibility and discrepancies in the parsing and interpretation of HTTP Request messages using various HTTP headers, request-line and body parameters as well as message sizes (denoted by the end of message signaled by a given HTTP header) by different intermediary HTTP agents (e.g., load balancer, reverse proxy, web caching proxies, application firewalls, etc.) to secretly send unauthorized and malicious HTTP requests to a back-end HTTP agent (e.g., web server).
See CanPrecede relationships for possible consequences.