{"id":"CVE-2026-43535","aliases":["EUVD-2026-27281","GHSA-jwrq-8g5x-5fhm"],"status":"published","title":"OpenClaw \u003c 2026.4.14 - Authorization Context Reuse in Collect-Mode Queue Batches","description":"OpenClaw before 2026.4.14 contains an authorization context reuse vulnerability in collect-mode queue batches that allows messages from different senders to inherit the final sender's authorization context. Attackers can exploit this by sending multiple queued messages to drain batches using a more privileged sender's context, causing earlier messages to execute with elevated permissions.","severity":{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0022,"percentile":0.12611,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-266","CWE-863"],"published":"2026-04-17T21:35:35Z","modified":"2026-10-28T02:30:39Z","fixes":[{"ecosystem":"npm","package":"openclaw","fixed_in":["2026.4.14"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"openclaw","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2026.4.14"}]}]},{"source":"osv","ecosystem":"npm","package":"openclaw","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.4.14"}]}]}],"products":[{"vendor":"openclaw","product":"openclaw"}],"references":[{"url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-jwrq-8g5x-5fhm","tags":["vendor-advisory","Vendor Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/commit/43d4be902755c970b3d15608679761877718da69","tags":["patch","Patch","fix","web"]},{"url":"https://www.vulncheck.com/advisories/openclaw-authorization-context-reuse-in-collect-mode-queue-batches","tags":["third-party-advisory","Third Party Advisory","advisory","web"]},{"url":"https://github.com/openclaw/openclaw/pull/66024","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43535","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-jwrq-8g5x-5fhm"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43535.json","tags":["advisory"]},{"url":"https://github.com/openclaw/openclaw","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-43535","title":"OpenClaw \u003c 2026.4.14 - Authorization Context Reuse in Collect-Mode Queue Batches","description":"OpenClaw before 2026.4.14 contains an authorization context reuse vulnerability in collect-mode queue batches that allows messages from different senders to inherit the final sender's authorization context. Attackers can exploit this by sending multiple queued messages to drain batches using a more privileged sender's context, causing earlier messages to execute with elevated permissions.","status":"published","published":"2026-05-05T11:25:07.457Z","modified":"2026-05-05T12:08:21.212Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T13:37:25.103021Z"}],"euvd":[{"id":"EUVD-2026-27281","description":"OpenClaw before 2026.4.14 contains an authorization context reuse vulnerability in collect-mode queue batches that allows messages from different senders to inherit the final sender's authorization context. Attackers can exploit this by sending multiple queued messages to drain batches using a more privileged sender's context, causing earlier messages to execute with elevated permissions.","status":"published","published":"2026-05-05T11:25:07Z","modified":"2026-05-05T12:08:21Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:05:17.068199Z"}],"ghsa":[{"id":"GHSA-jwrq-8g5x-5fhm","title":"OpenClaw: Collect-mode queue batches could reuse the last sender authorization context","description":"## Summary\n\nCollect-mode queue batches could reuse the last sender authorization context.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003c 2026.4.14`\n- Patched versions: `\u003e= 2026.4.14`\n\n## Impact\n\nCollect-mode queued messages from different senders could be drained as one batch using the final sender's authorization context, allowing earlier messages to inherit a more privileged context.\n\n## Technical Details\n\nThe fix splits collect-mode batches by sender authorization context before dispatch, preserving each message's own trust state.\n\n## Fix\n\nThe issue was fixed in #66024. The first stable tag containing the fix is `v2026.4.14`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `43d4be902755c970b3d15608679761877718da69`\n- PR: #66024\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.14 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.","status":"published","published":"2026-04-17T21:35:35Z","modified":"2026-05-08T01:32:27Z","cvss":[{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-266","CWE-863"],"updated_at":"2026-11-02T14:40:03.762927Z"}],"nvd":[{"id":"CVE-2026-43535","description":"OpenClaw before 2026.4.14 contains an authorization context reuse vulnerability in collect-mode queue batches that allows messages from different senders to inherit the final sender's authorization context. Attackers can exploit this by sending multiple queued messages to drain batches using a more privileged sender's context, causing earlier messages to execute with elevated permissions.","status":"published","published":"2026-05-05T12:16:19.893Z","modified":"2026-06-17T10:49:52.32Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/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","level":"high","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"primary"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T14:12:17.022502Z"}],"osv":[{"id":"CVE-2026-43535","title":"OpenClaw \u003c 2026.4.14 - Authorization Context Reuse in Collect-Mode Queue Batches","description":"OpenClaw before 2026.4.14 contains an authorization context reuse vulnerability in collect-mode queue batches that allows messages from different senders to inherit the final sender's authorization context. Attackers can exploit this by sending multiple queued messages to drain batches using a more privileged sender's context, causing earlier messages to execute with elevated permissions.","status":"published","published":"2026-05-05T11:25:07.457Z","modified":"2026-10-28T02:30:39.058469999Z","cvss":[{"version":"4.0","score":7.6,"vector":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-266"],"updated_at":"2026-11-02T15:45:04.820169Z"},{"id":"GHSA-jwrq-8g5x-5fhm","title":"OpenClaw: Collect-mode queue batches could reuse the last sender authorization context","description":"## Summary\n\nCollect-mode queue batches could reuse the last sender authorization context.\n\n## Affected Packages / Versions\n\n- Package: `openclaw`\n- Ecosystem: npm\n- Affected versions: `\u003c 2026.4.14`\n- Patched versions: `\u003e= 2026.4.14`\n\n## Impact\n\nCollect-mode queued messages from different senders could be drained as one batch using the final sender's authorization context, allowing earlier messages to inherit a more privileged context.\n\n## Technical Details\n\nThe fix splits collect-mode batches by sender authorization context before dispatch, preserving each message's own trust state.\n\n## Fix\n\nThe issue was fixed in #66024. The first stable tag containing the fix is `v2026.4.14`, and `openclaw@2026.4.14` includes the fix.\n\n## Fix Commit(s)\n\n- `43d4be902755c970b3d15608679761877718da69`\n- PR: #66024\n\n## Release Process Note\n\nUsers should upgrade to `openclaw` 2026.4.14 or newer. The latest npm release, `2026.4.14`, already includes the fix.\n\n## Credits\n\nThanks to @zsxsoft, with sponsorship from @KeenSecurityLab and @qclawer for reporting this issue.","status":"published","published":"2026-04-17T21:35:35Z","modified":"2026-05-08T01:51:05.118302Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"medium"},{"version":"4.0","score":5.3,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","level":"medium"}],"cwes":["CWE-266","CWE-863"],"updated_at":"2026-11-02T15:46:51.10002Z"}]}}