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Vulnerability from cleanstart
Published
2026-07-30 07:10
Modified
2026-07-30 09:34
Summary
Security fixes in logstash-fips 9.2.6-r0
Details
Package logstash-fips version 9.2.6-r0 fixes 12 vulnerabilities: ghsa-mxw3-3hh2-x2mh, ghsa-whrj-4476-wvmp, ghsa-2xgq-q749-89fq, CVE-2025-14762, CVE-2026-22860...
References
| URL | Type | |
|---|---|---|
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"name": "logstash-fips"
},
"ranges": [
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}
],
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}
],
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],
"credits": [],
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"id": "CLEANSTART-2026-IE12659",
"modified": "2026-07-30T09:34:02Z",
"published": "2026-07-30T07:10:53Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/elastic/logstash"
}
],
"related": [],
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"upstream": [
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"ghsa-whrj-4476-wvmp",
"ghsa-2xgq-q749-89fq",
"CVE-2025-14762",
"CVE-2026-22860",
"CVE-2026-25500",
"CVE-2026-25500",
"CVE-2025-61780",
"CVE-2025-61919",
"CVE-2025-61770",
"CVE-2025-61771",
"CVE-2025-61772"
]
}
CVE-2025-14762 (GCVE-0-2025-14762)
Vulnerability from cvelistv5 – Published: 2025-12-17 20:15 – Updated: 2025-12-17 21:06
VLAI
EPSS
VEX
Summary
Missing cryptographic key commitment in the AWS SDK for Ruby may allow a user with write access to the S3 bucket to introduce a new EDK that decrypts to different plaintext when the encrypted data key is stored in an "instruction file" instead of S3's metadata record.
To mitigate this issue, upgrade AWS SDK for Ruby to version 1.208.0 or later.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://aws.amazon.com/security/security-bulletin… | vendor-advisory |
| https://github.com/aws/aws-sdk-ruby/security/advi… | third-party-advisory |
| https://rubygems.org/gems/aws-sdk-s3/versions/1.208.0 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| AWS | AWS SDK for Ruby |
Unaffected:
1.208.0
|
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CVE-2025-61770 (GCVE-0-2025-61770)
Vulnerability from cvelistv5 – Published: 2025-10-07 14:30 – Updated: 2025-10-07 15:43
VLAI
EPSS
VEX
Title
Rack's unbounded multipart preamble buffering enables DoS (memory exhaustion)
Summary
Rack is a modular Ruby web server interface. In versions prior to 2.2.19, 3.1.17, and 3.2.2, `Rack::Multipart::Parser` buffers the entire multipart preamble (bytes before the first boundary) in memory without any size limit. A client can send a large preamble followed by a valid boundary, causing significant memory use and potential process termination due to out-of-memory (OOM) conditions. Remote attackers can trigger large transient memory spikes by including a long preamble in multipart/form-data requests. The impact scales with allowed request sizes and concurrency, potentially causing worker crashes or severe slowdown due to garbage collection. Versions 2.2.19, 3.1.17, and 3.2.2 enforce a preamble size limit (e.g., 16 KiB) or discard preamble data entirely. Workarounds include limiting total request body size at the proxy or web server level and monitoring memory and set per-process limits to prevent OOM conditions.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/589127f4ac8b5… | x_refsource_MISC |
| https://github.com/rack/rack/commit/d869fed663b11… | x_refsource_MISC |
| https://github.com/rack/rack/commit/e08f78c656c93… | x_refsource_MISC |
Impacted products
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CVE-2025-61771 (GCVE-0-2025-61771)
Vulnerability from cvelistv5 – Published: 2025-10-07 14:42 – Updated: 2025-10-07 17:52
VLAI
EPSS
VEX
Title
Rack's multipart parser buffers large non‑file fields entirely in memory, enabling DoS (memory exhaustion)
Summary
Rack is a modular Ruby web server interface. In versions prior to 2.2.19, 3.1.17, and 3.2.2, ``Rack::Multipart::Parser` stores non-file form fields (parts without a `filename`) entirely in memory as Ruby `String` objects. A single large text field in a multipart/form-data request (hundreds of megabytes or more) can consume equivalent process memory, potentially leading to out-of-memory (OOM) conditions and denial of service (DoS). Attackers can send large non-file fields to trigger excessive memory usage. Impact scales with request size and concurrency, potentially leading to worker crashes or severe garbage-collection overhead. All Rack applications processing multipart form submissions are affected. Versions 2.2.19, 3.1.17, and 3.2.2 enforce a reasonable size cap for non-file fields (e.g., 2 MiB). Workarounds include restricting maximum request body size at the web-server or proxy layer (e.g., Nginx `client_max_body_size`) and validating and rejecting unusually large form fields at the application level.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/589127f4ac8b5… | x_refsource_MISC |
| https://github.com/rack/rack/commit/d869fed663b11… | x_refsource_MISC |
| https://github.com/rack/rack/commit/e08f78c656c93… | x_refsource_MISC |
Impacted products
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CVE-2025-61772 (GCVE-0-2025-61772)
Vulnerability from cvelistv5 – Published: 2025-10-07 15:02 – Updated: 2025-10-07 17:51
VLAI
EPSS
VEX
Title
Rack's multipart parser buffers unbounded per-part headers, enabling DoS (memory exhaustion)
Summary
Rack is a modular Ruby web server interface. In versions prior to 2.2.19, 3.1.17, and 3.2.2, `Rack::Multipart::Parser` can accumulate unbounded data when a multipart part’s header block never terminates with the required blank line (`CRLFCRLF`). The parser keeps appending incoming bytes to memory without a size cap, allowing a remote attacker to exhaust memory and cause a denial of service (DoS). Attackers can send incomplete multipart headers to trigger high memory use, leading to process termination (OOM) or severe slowdown. The effect scales with request size limits and concurrency. All applications handling multipart uploads may be affected. Versions 2.2.19, 3.1.17, and 3.2.2 cap per-part header size (e.g., 64 KiB). As a workaround, restrict maximum request sizes at the proxy or web server layer (e.g., Nginx `client_max_body_size`).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/589127f4ac8b5… | x_refsource_MISC |
| https://github.com/rack/rack/commit/d869fed663b11… | x_refsource_MISC |
| https://github.com/rack/rack/commit/e08f78c656c93… | x_refsource_MISC |
Impacted products
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CVE-2025-61780 (GCVE-0-2025-61780)
Vulnerability from cvelistv5 – Published: 2025-10-10 16:53 – Updated: 2025-10-10 20:35
VLAI
EPSS
VEX
Title
Rack has Possible Information Disclosure Vulnerability
Summary
Rack is a modular Ruby web server interface. Prior to versions 2.2.20, 3.1.18, and 3.2.3, a possible information disclosure vulnerability existed in `Rack::Sendfile` when running behind a proxy that supports `x-sendfile` headers (such as Nginx). Specially crafted headers could cause `Rack::Sendfile` to miscommunicate with the proxy and trigger unintended internal requests, potentially bypassing proxy-level access restrictions. When `Rack::Sendfile` received untrusted `x-sendfile-type` or `x-accel-mapping` headers from a client, it would interpret them as proxy configuration directives. This could cause the middleware to send a "redirect" response to the proxy, prompting it to reissue a new internal request that was not subject to the proxy's access controls. An attacker could exploit this by setting a crafted `x-sendfile-type: x-accel-redirect` header, setting a crafted `x-accel-mapping` header, and requesting a path that qualifies for proxy-based acceleration. Attackers could bypass proxy-enforced restrictions and access internal endpoints intended to be protected (such as administrative pages). The vulnerability did not allow arbitrary file reads but could expose sensitive application routes. This issue only affected systems meeting all of the following conditions: The application used `Rack::Sendfile` with a proxy that supports `x-accel-redirect` (e.g., Nginx); the proxy did **not** always set or remove the `x-sendfile-type` and `x-accel-mapping` headers; and the application exposed an endpoint that returned a body responding to `.to_path`. Users should upgrade to Rack versions 2.2.20, 3.1.18, or 3.2.3, which require explicit configuration to enable `x-accel-redirect`. Alternatively, configure the proxy to always set or strip the header, or in Rails applications, disable sendfile completely.
Severity
5.8 (Medium)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/57277b7741581… | x_refsource_MISC |
| https://github.com/rack/rack/commit/7e69f65eefe9c… | x_refsource_MISC |
| https://github.com/rack/rack/commit/fba2c8bc63eb7… | x_refsource_MISC |
Impacted products
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CVE-2025-61919 (GCVE-0-2025-61919)
Vulnerability from cvelistv5 – Published: 2025-10-10 19:22 – Updated: 2025-10-10 20:48
VLAI
EPSS
VEX
Title
Rack is vulnerable to a memory-exhaustion DoS through unbounded URL-encoded body parsing
Summary
Rack is a modular Ruby web server interface. Prior to versions 2.2.20, 3.1.18, and 3.2.3, `Rack::Request#POST` reads the entire request body into memory for `Content-Type: application/x-www-form-urlencoded`, calling `rack.input.read(nil)` without enforcing a length or cap. Large request bodies can therefore be buffered completely into process memory before parsing, leading to denial of service (DoS) through memory exhaustion. Users should upgrade to Rack version 2.2.20, 3.1.18, or 3.2.3, anu of which enforces form parameter limits using `query_parser.bytesize_limit`, preventing unbounded reads of `application/x-www-form-urlencoded` bodies. Additionally, enforce strict maximum body size at the proxy or web server layer (e.g., Nginx `client_max_body_size`, Apache `LimitRequestBody`).
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/4e2c903991a79… | x_refsource_MISC |
| https://github.com/rack/rack/commit/cbd541e8a3d0c… | x_refsource_MISC |
| https://github.com/rack/rack/commit/e179614c4a653… | x_refsource_MISC |
Impacted products
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CVE-2026-22860 (GCVE-0-2026-22860)
Vulnerability from cvelistv5 – Published: 2026-02-18 18:45 – Updated: 2026-07-15 01:18
VLAI
EPSS
VEX
Title
Rack has a Directory Traversal via Rack:Directory
Summary
Rack is a modular Ruby web server interface. Prior to versions 2.2.22, 3.1.20, and 3.2.5, `Rack::Directory`’s path check used a string prefix match on the expanded path. A request like `/../root_example/` can escape the configured root if the target path starts with the root string, allowing directory listing outside the intended root. Versions 2.2.22, 3.1.20, and 3.2.5 fix the issue.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/75c5745c28663… | x_refsource_MISC |
| https://access.redhat.com/security/cve/CVE-2026-22860 | vdb-entryx_refsource_REDHAT |
| https://bugzilla.redhat.com/show_bug.cgi?id=2440737 | issue-trackingx_refsource_REDHAT |
| https://security.access.redhat.com/data/csaf/v2/v… | x_sadp-csaf-vex |
Impacted products
7 products
| Vendor | Product | Version | |
|---|---|---|---|
| rack | rack |
Affected:
< 2.2.22
Affected: >= 3.0.0.beta1, < 3.1.20 Affected: >= 3.2.0, < 3.2.5 |
|
| Red Hat | Logging Subsystem for Red Hat OpenShift |
cpe:/a:redhat:logging:5 |
|
| Red Hat | Red Hat 3scale API Management Platform 2 |
cpe:/a:redhat:red_hat_3scale_amp:2 |
|
| Red Hat | Red Hat Enterprise Linux 10 |
cpe:/o:redhat:enterprise_linux:10 |
|
| Red Hat | Red Hat Enterprise Linux 7 |
cpe:/o:redhat:enterprise_linux:7 |
|
| Red Hat | Red Hat Enterprise Linux 8 |
cpe:/o:redhat:enterprise_linux:8 |
|
| Red Hat | Red Hat Enterprise Linux 9 |
cpe:/o:redhat:enterprise_linux:9 |
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CVE-2026-25500 (GCVE-0-2026-25500)
Vulnerability from cvelistv5 – Published: 2026-02-18 18:59 – Updated: 2026-02-18 19:42
VLAI
EPSS
VEX
Title
Rack's Stored XSS in Rack::Directory via javascript: filenames rendered into anchor href
Summary
Rack is a modular Ruby web server interface. Prior to versions 2.2.22, 3.1.20, and 3.2.5, `Rack::Directory` generates an HTML directory index where each file entry is rendered as a clickable link. If a file exists on disk whose basename starts with the `javascript:` scheme (e.g. `javascript:alert(1)`), the generated index contains an anchor whose `href` is exactly `javascript:alert(1)`. Clicking the entry executes JavaScript in the browser (demonstrated with `alert(1)`). Versions 2.2.22, 3.1.20, and 3.2.5 fix the issue.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/rack/rack/security/advisories/… | x_refsource_CONFIRM |
| https://github.com/rack/rack/commit/f2f225f297b99… | x_refsource_MISC |
Impacted products
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GHSA-2XGQ-Q749-89FQ
Vulnerability from github – Published: 2025-12-18 18:51 – Updated: 2025-12-20 05:35
VLAI
Summary
AWS SDK for Ruby's S3 Encryption Client has a Key Commitment Issue
Details
Summary
S3 Encryption Client for Ruby is an open-source client-side encryption library used to facilitate writing and reading encrypted records to S3.
When the encrypted data key (EDK) is stored in an "Instruction File" instead of S3's metadata record, the EDK is exposed to an "Invisible Salamanders" attack (https://eprint.iacr.org/2019/016), which could allow the EDK to be replaced with a new key.
Impact
Background - Key Commitment
There is a cryptographic property whereby under certain conditions, a single ciphertext can be decrypted into 2 different plaintexts by using different encryption keys. To address this issue, strong encryption schemes use what is known as "key commitment", a process by which an encrypted message can only be decrypted by one key; the key used to originally encrypt the message.
In older versions of S3EC, when customers are also using a feature called "Instruction File" to store EDKs, key commitment is not implemented because multiple EDKs could be associated to an underlying encrypted message object. For such customers an attack that leverages the lack of key commitment is possible. A bad actor would need two things to leverage this issue: (i) the ability to create a separate, rogue, EDK that will also decrypt the underlying object to produce desired plaintext, and (ii) permission to upload a new instruction file to the S3 bucket to replace the existing instruction file placed there by the user using the S3C. Any future attempt to decrypt the underlying encrypted message with the S3EC will unwittingly use the rogue EDK to produce a valid plaintext message.
Impacted versions: <= 1.207.0
Patches
We are introducing the concept of "key commitment" to S3EC where the EDK is cryptographically bound to the ciphertext in order to address this issue. In order to maintain compatibility for in-flight messages we are releasing the fix in two versions. A code-compatible minor version that can read messages with key-commitment but not write them, and a new major version that can both read and write messages with key-commitment. For maximum safety customers are asked to upgrade to the latest major version: 1.208.0 or later.
Workarounds
There are no workarounds, please upgrade to the suggested version of S3EC.
References
If customers have any questions or comments about this advisory, AWS SDK for Ruby asks that they contact AWS Security via the issue reporting page or directly via email to aws-security@amazon.com. Please do not create a public GitHub issue.
Severity
5.3 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "aws-sdk-s3"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "1.208.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-14762"
],
"database_specific": {
"cwe_ids": [
"CWE-327"
],
"github_reviewed": true,
"github_reviewed_at": "2025-12-18T18:51:50Z",
"nvd_published_at": "2025-12-17T21:15:53Z",
"severity": "MODERATE"
},
"details": "## Summary\n\nS3 Encryption Client for Ruby is an open-source client-side encryption library used to facilitate writing and reading encrypted records to S3. \n\nWhen the encrypted data key (EDK) is stored in an \"Instruction File\" instead of S3\u0027s metadata record, the EDK is exposed to an \"Invisible Salamanders\" attack (https://eprint.iacr.org/2019/016), which could allow the EDK to be replaced with a new key. \n\n\n\n## Impact\n\n### Background - Key Commitment\n\nThere is a cryptographic property whereby under certain conditions, a single ciphertext can be decrypted into 2 different plaintexts by using different encryption keys. To address this issue, strong encryption schemes use what is known as \"key commitment\", a process by which an encrypted message can only be decrypted by one key; the key used to originally encrypt the message. \n\nIn older versions of S3EC, when customers are also using a feature called \"Instruction File\" to store EDKs, key commitment is not implemented because multiple EDKs could be associated to an underlying encrypted message object. For such customers an attack that leverages the lack of key commitment is possible. A bad actor would need two things to leverage this issue: (i) the ability to create a separate, rogue, EDK that will also decrypt the underlying object to produce desired plaintext, and (ii) permission to upload a new instruction file to the S3 bucket to replace the existing instruction file placed there by the user using the S3C. Any future attempt to decrypt the underlying encrypted message with the S3EC will unwittingly use the rogue EDK to produce a valid plaintext message.\n\nImpacted versions: \u003c= 1.207.0\n\n\n\n## Patches\n\nWe are introducing the concept of \"key commitment\" to S3EC where the EDK is cryptographically bound to the ciphertext in order to address this issue. In order to maintain compatibility for in-flight messages we are releasing the fix in two versions. A code-compatible minor version that can read messages with key-commitment but not write them, and a new major version that can both read and write messages with key-commitment. For maximum safety customers are asked to upgrade to the latest major version: 1.208.0 or later.\n\n\n\nWorkarounds\n\nThere are no workarounds, please upgrade to the suggested version of S3EC.\n\nReferences\n\nIf customers have any questions or comments about this advisory, AWS SDK for Ruby asks that they contact AWS Security via the issue reporting page or directly via email to [aws-security@amazon.com](mailto:aws-security@amazon.com). Please do not create a public GitHub issue.",
"id": "GHSA-2xgq-q749-89fq",
"modified": "2025-12-20T05:35:01Z",
"published": "2025-12-18T18:51:50Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/aws/aws-sdk-ruby/security/advisories/GHSA-2xgq-q749-89fq"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14762"
},
{
"type": "WEB",
"url": "https://github.com/aws/aws-sdk-ruby/commit/b633ba10cd2fbc4cc770b76ab531ed9647654044"
},
{
"type": "WEB",
"url": "https://aws.amazon.com/security/security-bulletins/AWS-2025-032"
},
{
"type": "PACKAGE",
"url": "https://github.com/aws/aws-sdk-ruby"
},
{
"type": "WEB",
"url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/aws-sdk-s3/CVE-2025-14762.yml"
},
{
"type": "WEB",
"url": "https://rubygems.org/gems/aws-sdk-s3/versions/1.208.0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"type": "CVSS_V4"
}
],
"summary": "AWS SDK for Ruby\u0027s S3 Encryption Client has a Key Commitment Issue"
}
GHSA-MXW3-3HH2-X2MH
Vulnerability from github – Published: 2026-02-17 16:14 – Updated: 2026-02-24 16:06
VLAI
Summary
Rack has a Directory Traversal via Rack:Directory
Details
Summary
Rack::Directory’s path check used a string prefix match on the expanded path. A request like /../root_example/ can escape the configured root if the target path starts with the root string, allowing directory listing outside the intended root.
Details
In directory.rb, File.expand_path(File.join(root, path_info)).start_with?(root) does not enforce a path boundary. If the server root is /var/www/root, a path like /var/www/root_backup passes the check because it shares the same prefix, so Rack::Directory will list that directory also.
Impact
Information disclosure via directory listing outside the configured root when Rack::Directory is exposed to untrusted clients and a directory shares the root prefix (e.g., public2, www_backup).
Mitigation
- Update to a patched version of Rack that correctly checks the root prefix.
- Don't name directories with the same prefix as one which is exposed via
Rack::Directory.
Severity
7.5 (High)
{
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "rack"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "2.2.22"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "RubyGems",
"name": "rack"
},
"ranges": [
{
"events": [
{
"introduced": "3.0.0.beta1"
},
{
"fixed": "3.1.20"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "RubyGems",
"name": "rack"
},
"ranges": [
{
"events": [
{
"introduced": "3.2.0"
},
{
"fixed": "3.2.5"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2026-22860"
],
"database_specific": {
"cwe_ids": [
"CWE-22",
"CWE-548"
],
"github_reviewed": true,
"github_reviewed_at": "2026-02-17T16:14:11Z",
"nvd_published_at": "2026-02-18T19:21:43Z",
"severity": "HIGH"
},
"details": "## Summary\n\n`Rack::Directory`\u2019s path check used a string prefix match on the expanded path. A request like `/../root_example/` can escape the configured root if the target path starts with the root string, allowing directory listing outside the intended root.\n\n## Details\n\nIn `directory.rb`, `File.expand_path(File.join(root, path_info)).start_with?(root)` does not enforce a path boundary. If the server root is `/var/www/root`, a path like `/var/www/root_backup` passes the check because it shares the same prefix, so `Rack::Directory` will list that directory also. \n\n## Impact\n\nInformation disclosure via directory listing outside the configured root when `Rack::Directory` is exposed to untrusted clients and a directory shares the root prefix (e.g., `public2`, `www_backup`).\n\n## Mitigation\n\n* Update to a patched version of Rack that correctly checks the root prefix.\n* Don\u0027t name directories with the same prefix as one which is exposed via `Rack::Directory`.",
"id": "GHSA-mxw3-3hh2-x2mh",
"modified": "2026-02-24T16:06:28Z",
"published": "2026-02-17T16:14:11Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/rack/rack/security/advisories/GHSA-mxw3-3hh2-x2mh"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-22860"
},
{
"type": "WEB",
"url": "https://github.com/rack/rack/commit/75c5745c286637a8f049a33790c71237762069e7"
},
{
"type": "PACKAGE",
"url": "https://github.com/rack/rack"
},
{
"type": "WEB",
"url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2026-22860.yml"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"type": "CVSS_V3"
}
],
"summary": "Rack has a Directory Traversal via Rack:Directory"
}
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Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
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