CVE-2026-35618: OpenClaw Plivo V2 Verified Replay Identity Vulnerability
HIGHCVE-2026-35618 is a HIGH plivo v2 verified replay identity vulnerability (CWE-294: Authentication Bypass by Capture-replay) affecting OpenClaw libraries in the npm ecosystem. The issue involves plivo v2 verified replay identity drifts on query-only variants. Remediation is available by upgrading affected packages to version 2026.3.23.
CVE-2026-35618 at a Glance
How to Fix CVE-2026-35618
To remediate this vulnerability, upgrade all affected OpenClaw dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.
npm install openclaw@2026.3.23Run the following command in your project directory to verify that all resolved dependencies use the patched release:
npm ls openclawHow to Check if You Are Affected
To determine whether your Node.js application is affected by CVE-2026-35618, inspect your project dependencies using npm:
npm ls openclawAnalyze the terminal output to locate any version of OpenClaw in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2026.3.23), your application is affected.
Note: The npm ls openclaw command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.
Technical Details
Vulnerability Mechanism & Technical Analysis
This vulnerability is classified under CWE-294: Authentication Bypass by Capture-replay, where a capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). In OpenClaw, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.
Source Advisory Statement
CVE-2026-35618 Affected OpenClaw Versions
1 component(s)| Product / Package | Ecosystem | Affected Versions | Fixed Version |
|---|---|---|---|
|
openclaw
|
npm |
< 2026.3.23
|
2026.3.23
|
References
Frequently Asked Questions
What is CVE-2026-35618?
Which OpenClaw versions are affected?
What version fixes CVE-2026-35618?
Is openclaw affected?
What CWE is associated with CVE-2026-35618?
How can I check npm dependencies for CVE-2026-35618?
Machine-readable OSV JSON
OSV v1.5 Schema
{
"schema_version" : "1.4.0",
"id" : "GHSA-cg6c-q2hx-69h7",
"modified" : "2026-04-10T20:18:52Z",
"published" : "2026-03-26T18:56:32Z",
"aliases" : [ "CVE-2026-35618" ],
"summary" : "OpenClaw: Plivo V2 verified replay identity drifts on query-only variants",
"details" : "## Summary\nBefore `v2026.3.23`, the Plivo V2 verification path treated query-only variants of the same signed request as fresh verified work. Plivo V2 signatures authenticate `baseUrl + nonce`, but the replay key was derived from the full verification URL including the query string, so unsigned query-only changes minted a new `verifiedRequestKey`.\n\n## Affected Packages / Versions\n- Package: `openclaw` (npm)\n- Affected: `< 2026.3.23`\n- Fixed: `>= 2026.3.23`\n- Latest released tag checked: `v2026.3.23-2` (`630f1479c44f78484dfa21bb407cbe6f171dac87`)\n- Latest published npm version checked: `2026.3.23-2`\n\n## Root Cause\nThe vulnerable logic lived in `extensions/voice-call/src/webhook-security.ts`. V2 signature validation already canonicalized to the base URL without query parameters, but the replay key used the full `verificationUrl`, letting query-only variants bypass replay identity stability.\n\n## Fix Commit(s)\n- `b0ce53a79cf63834660270513e26d921899b4e5b` — `fix(voice-call): stabilize plivo v2 replay keys`\n\n## Release Status\nThe fix commit is contained in released tags `v2026.3.23` and `v2026.3.23-2`. The latest shipped tag and npm release both include the fix.\n\n## Code-Level Confirmation\n- `extensions/voice-call/src/webhook-security.ts` now derives the V2 replay key with `createPlivoV2ReplayKey(...)`, which hashes `getBaseUrlNoQuery(url)` plus the nonce.\n- `extensions/voice-call/src/webhook-security.test.ts` contains the regression test `treats query-only V2 variants as the same verified request`.\n\nThanks @smaeljaish771 for reporting.",
"severity" : [ {
"type" : "CVSS_V4",
"score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
} ],
"affected" : [ {
"package" : {
"ecosystem" : "npm",
"name" : "openclaw"
},
"ranges" : [ {
"type" : "ECOSYSTEM",
"events" : [ {
"introduced" : "0"
}, {
"fixed" : "2026.3.23"
} ]
} ]
} ],
"references" : [ {
"type" : "WEB",
"url" : "https://github.com/openclaw/openclaw/security/advisories/GHSA-cg6c-q2hx-69h7"
}, {
"type" : "ADVISORY",
"url" : "https://nvd.nist.gov/vuln/detail/CVE-2026-35618"
}, {
"type" : "WEB",
"url" : "https://github.com/openclaw/openclaw/commit/630f1479c44f78484dfa21bb407cbe6f171dac87"
}, {
"type" : "WEB",
"url" : "https://github.com/openclaw/openclaw/commit/b0ce53a79cf63834660270513e26d921899b4e5b"
}, {
"type" : "PACKAGE",
"url" : "https://github.com/openclaw/openclaw"
}, {
"type" : "WEB",
"url" : "https://www.vulncheck.com/advisories/openclaw-replay-identity-drift-via-query-only-variants-in-plivo-v2-verification"
} ],
"database_specific" : {
"cwe_ids" : [ "CWE-294" ],
"severity" : "HIGH",
"github_reviewed" : true,
"github_reviewed_at" : "2026-03-26T18:56:32Z",
"nvd_published_at" : null
}
}