Critical Access control exploit reference

CVE-2026-28448 — OpenClaw 2026.1.29 < 2026.2.1 - Authorization Bypass in Twitch Plugin allowFrom Access Control

OpenClaw versions 2026.1.29 prior to 2026.2.1 contain a vulnerability in the Twitch plugin (must be installed and enabled) in which it fails to enforce the allowFrom allowlist when allowedRoles is unset or empty, allowing unauthorized Twitch users to trigger agent dispatch. Remote attackers can mention the bot in Twitch chat to bypass access control and invoke the agent pipeline, potentially causing unintended actions or resource exhaustion.

Published Mar 5, 2026 · Updated Oct 13, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: VulnCheck

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.6% (30-day exploitation probability)+7
Technical severity (critical)+10
Automatable exploitation (SSVC)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.56%

ahead of 45% of scored CVEs · Oct 14, 2026

Affects

Openclaw

CVSS base

9.4

Critical · 3 source(s)

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation

None

none · proof-of-concept · active

Automatable

Yes

can an attacker script the kill-chain steps

Technical impact

Partial

partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

Documented patch — github.com (NIST National Vulnerability Database)

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Openclaw Openclaw).
The attack is network-based and needs no privileges: restrict exposure (ACLs, VPN, WAF) until patched.
Apply the fixed version or the patch documented under Remediation.
Search available logs for exploit probes matching the vulnerability class (access control), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Openclaw	Openclaw	≥ 2026.1.29 and < 2026.2.1	Vulnerable	NIST National Vulnerability Database
Openclaw	Openclaw	≥ 2026.1.29 and < 2026.2.1	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Network

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

Low

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
6.3	CVSS 4.0	Medium	—	—	disclosure@vulncheck.com via NIST National Vulnerability Database
6.3	CVSS 4.0	Medium	—	—	VulnCheck via CVE Program (cve.org) e CISA ADP
9.4	CVSS 3.1	Critical	3.9	5.5	nvd@nist.gov via NIST National Vulnerability Database
7.3	CVSS 3.1	High	3.9	3.4	disclosure@vulncheck.com via NIST National Vulnerability Database
7.3	CVSS 3.1	High	—	—	VulnCheck via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L (score shown at the top: nvd@nist.gov)

Scoring entities (NIST, CNA, ADP) score independently; each score is shown with its origin. For prioritization we use 9.4 (NVD (NIST)) as a conservative provisional reference — not a definitive official score.

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-285 · Improper Authorization

Other CVEs with this weakness →

EPSS over time FIRST

Oct 13, 2026 → Oct 14, 2026 · 2 reading(s) · max 0.56%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
Audit administrative actions and access to resources outside each user’s normal pattern.

web/proxy/WAF logsnetwork IDS/IPSauthentication logsapplication logs

Timeline

What happened to this CVE, newest first.

2026
Affected products added · openclaw/openclaw
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
SSVC assessment updated
Oct 13, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 13, 2026
Fix documented
Oct 13, 2026 · NIST National Vulnerability Database
CVSS changed · 9.4
Oct 13, 2026 · NIST National Vulnerability Database
Source status changed · → Analyzed
Oct 13, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 13, 2026 · NIST National Vulnerability Database
CVE published
Mar 5, 2026 · VulnCheck

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 13, 2026 – Oct 13, 2026

References

3 on the record

github.com/openclaw/openclaw/security/advisories/GHSA-33rq-m5x2-fvgf
Exploit, Vendor Advisory, vendor-advisory, NIST National Vulnerability Database
github.com/openclaw/openclaw/commit/8c7901c984866a776eb59662dc9d8b028de4f0d0
Patch, patch, NIST National Vulnerability Database
www.vulncheck.com/advisories/openclaw-authorization-bypass-in-twitch-plugin-allowfrom-a
Third Party Advisory, third-party-advisory, NIST National Vulnerability Database

Elsewhere on this site

Openclaw
every CVE for this vendor

Access control
same class

CWE-285
other pages naming this weakness

Related CVEs (same products)

Medium CVE-2026-62214 OpenClaw < 2026.5.28 Bot Framework SSRF via serviceUrl Parameter Validation Jul 16, 2026
Medium CVE-2026-62213 OpenClaw < 2026.5.27 Token Leakage via MS Teams Outbound Requests Jul 16, 2026
High CVE-2026-53866 OpenClaw < 2026.5.12 - Allowlist Bypass in Shell Inline-Command Parsing Jun 16, 2026
Medium CVE-2026-53862 OpenClaw < 2026.5.12 - Bootstrap Token Replay via Pending Pairing Scope Widening Jun 16, 2026
Critical CVE-2026-53861 OpenClaw < 2026.5.6 - Allowlist Bypass via Combined POSIX Inline Flags on macOS Jun 16, 2026
Medium CVE-2026-53863 OpenClaw < 2026.4.25 - Unvalidated Group ID Acceptance in Tool Group Policy Jun 16, 2026

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-28448 is "OpenClaw 2026.1.29 < 2026.2.1 - Authorization Bypass in Twitch Plugin allowFrom Access Control", rated Critical. It affects Openclaw (Openclaw); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 9.4 describes technical severity. EPSS 0.56% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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