CWE-1254
Incorrect Comparison Logic Granularity
The product's comparison logic is performed over a series of steps rather than across the entire string in one operation. If there is a comparison logic failure on one of these steps, the operation may be vulnerable to a timing attack that can result in the interception of the process for nefarious purposes.
CVE-2013-10031 (GCVE-0-2013-10031)
Vulnerability from cvelistv5 – Published: 2025-12-09 00:12 – Updated: 2025-12-11 14:36
VLAI?
Title
Plack::Middleware::Session versions before 0.17 for Perl may be vulnerable to HMAC comparison timing attacks
Summary
Plack-Middleware-Session versions before 0.17 may be vulnerable to HMAC comparison timing attacks
Severity ?
7.5 (High)
CWE
- CWE-1254 - Incorrect Comparison Logic Granularity
Assigner
References
| URL | Tags | |
|---|---|---|
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| MIYAGAWA | Plack::Middleware::Session |
Affected:
0.01 , < 0.17
(custom)
|
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CVE-2022-39308 (GCVE-0-2022-39308)
Vulnerability from cvelistv5 – Published: 2022-10-14 00:00 – Updated: 2025-04-23 16:50
VLAI?
Title
GoCD API authentication of user access tokens subject to timing attack during comparison
Summary
GoCD is a continuous delivery server. GoCD helps you automate and streamline the build-test-release cycle for continuous delivery of your product. GoCD versions from 19.2.0 to 19.10.0 (inclusive) are subject to a timing attack in validation of access tokens due to use of regular string comparison for validation of the token rather than a constant time algorithm. This could allow a brute force attack on GoCD server API calls to observe timing differences in validations in order to guess an access token generated by a user for API access. This issue is fixed in GoCD version 19.11.0. As a workaround, users can apply rate limiting or insert random delays to API calls made to GoCD Server via a reverse proxy or other fronting web server. Another workaround, users may disallow use of access tokens by users by having an administrator revoke all access tokens through the "Access Token Management" admin function.
Severity ?
6.5 (Medium)
Assigner
References
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CVE-2026-27007 (GCVE-0-2026-27007)
Vulnerability from cvelistv5 – Published: 2026-02-19 23:21 – Updated: 2026-02-20 15:37
VLAI?
Title
OpenClaw's sandbox config hash sorted primitive arrays and suppressed needed container recreation
Summary
OpenClaw is a personal AI assistant. Prior to version 2026.2.15, `normalizeForHash` in `src/agents/sandbox/config-hash.ts` recursively sorted arrays that contained only primitive values. This made order-sensitive sandbox configuration arrays hash to the same value even when order changed. In OpenClaw sandbox flows, this hash is used to decide whether existing sandbox containers should be recreated. As a result, order-only config changes (for example Docker `dns` and `binds` array order) could be treated as unchanged and stale containers could be reused. This is a configuration integrity issue affecting sandbox recreation behavior. Starting in version 2026.2.15, array ordering is preserved during hash normalization; only object key ordering remains normalized for deterministic hashing.
Severity ?
CWE
- CWE-1254 - Incorrect Comparison Logic Granularity
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2026-34570 (GCVE-0-2026-34570)
Vulnerability from cvelistv5 – Published: 2026-04-01 21:30 – Updated: 2026-04-03 16:41
VLAI?
Title
CI4MS: Account Deletion Module Full Persistent Unauthorized Access for All‑Roles via Improper Session Invalidation (Logic Flaw)
Summary
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to immediately revoke active user sessions when an account is deleted. Due to a logic flaw in the backend design, account state changes are enforced only during authentication (login), not for already-established sessions. The system implicitly assumes that authenticated users remain trusted for the lifetime of their session. There is no session expiration or account expiration mechanism in place, causing deleted accounts to retain indefinite access until the user manually logs out. This behavior breaks the intended access control policy and results in persistent unauthorized access. This issue has been patched in version 0.31.0.0.
Severity ?
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ci4-cms-erp | ci4ms |
Affected:
< 0.31.0.0
|
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CVE-2026-34572 (GCVE-0-2026-34572)
Vulnerability from cvelistv5 – Published: 2026-04-01 21:35 – Updated: 2026-04-02 13:51
VLAI?
Title
CI4MS: Account Deactivation Module Full Persistent Unauthorized Access for All‑Roles via Improper Session Invalidation (Logic Flaw)
Summary
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to immediately revoke active user sessions when an account is deactivated. Due to a logic flaw in the backend design, account state changes are enforced only during authentication (login), not for already-established sessions. The system implicitly assumes that authenticated users remain trusted for the lifetime of their session. There is no session expiration or account expiration mechanism in place, causing deactivated accounts to retain indefinite access until the user manually logs out. This behavior breaks the intended access control policy and results in persistent unauthorized access, representing a critical security flaw. This issue has been patched in version 0.31.0.0.
Severity ?
8.8 (High)
CWE
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| ci4-cms-erp | ci4ms |
Affected:
< 0.31.0.0
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}
],
"role": "CISA Coordinator",
"timestamp": "2026-04-02T13:51:06.075061Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-04-02T13:51:10.563Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"references": [
{
"tags": [
"exploit"
],
"url": "https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-8fq3-c5w3-pj3q"
}
],
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "ci4ms",
"vendor": "ci4-cms-erp",
"versions": [
{
"status": "affected",
"version": "\u003c 0.31.0.0"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.31.0.0, the application fails to immediately revoke active user sessions when an account is deactivated. Due to a logic flaw in the backend design, account state changes are enforced only during authentication (login), not for already-established sessions. The system implicitly assumes that authenticated users remain trusted for the lifetime of their session. There is no session expiration or account expiration mechanism in place, causing deactivated accounts to retain indefinite access until the user manually logs out. This behavior breaks the intended access control policy and results in persistent unauthorized access, representing a critical security flaw. This issue has been patched in version 0.31.0.0."
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-284",
"description": "CWE-284: Improper Access Control",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-613",
"description": "CWE-613: Insufficient Session Expiration",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-1254",
"description": "CWE-1254: Incorrect Comparison Logic Granularity",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-04-01T21:35:10.556Z",
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M"
},
"references": [
{
"name": "https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-8fq3-c5w3-pj3q",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/ci4-cms-erp/ci4ms/security/advisories/GHSA-8fq3-c5w3-pj3q"
},
{
"name": "https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/ci4-cms-erp/ci4ms/releases/tag/0.31.0.0"
}
],
"source": {
"advisory": "GHSA-8fq3-c5w3-pj3q",
"discovery": "UNKNOWN"
},
"title": "CI4MS: Account Deactivation Module Full Persistent Unauthorized Access for All\u2011Roles via Improper Session Invalidation (Logic Flaw)"
}
},
"cveMetadata": {
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"assignerShortName": "GitHub_M",
"cveId": "CVE-2026-34572",
"datePublished": "2026-04-01T21:35:10.556Z",
"dateReserved": "2026-03-30T16:56:30.998Z",
"dateUpdated": "2026-04-02T13:51:10.563Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation
Phase: Implementation
Description:
- The hardware designer should ensure that comparison logic is implemented so as to compare in one operation instead in smaller chunks.
CAPEC-26: Leveraging Race Conditions
The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.