01 Record
CVE-2026-28454
OpenClaw < 2026.2.2 - Authorization Bypass via Unauthenticated Telegram Webhook
HighPUBLISHEDCNA: VulnCheck
CNA base score8.2 CVSS v4.0CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
02 Description
OpenClaw < 2026.2.2 - Authorization Bypass via Unauthenticated Telegram Webhook
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.27% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 19.1% of scored records. A rank, not a probability.
- NVD base score
- 8.2 (CVSS v4.0), scored by the NVD independently of the CNA.
- NVD CVSS vector
- 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/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
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-03-05 21:59Z7 MO AGO
- Last updated
- 2026-03-09 17:00Z7 MO AGO
- Reserved
- 2026-02-27
- Assigning CNA
- VulnCheck
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.2)
- CNA CVSS vector
- 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
- Weaknesses
- CWE-345Insufficient Verification of Data AuthenticityClass
- Data version
- 5.2
- Document digest
- 7b746b7204a17cf081034baf4019c54be37c5434ca41fc4a32102da772673384
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comGitHub Security Advisory (GHSA-fhvm-j76f-qmjv)https://github.com/openclaw/openclaw/security/advisories/GHSA-fhvm-j76f-qmjv
- github.comPatch Commithttps://github.com/openclaw/openclaw/commit/ca92597e1f9593236ad86810b66633144b69314d
- github.comHardening Commit #1https://github.com/openclaw/openclaw/commit/5643a934799dc523ec2ef18c007e1aa2c386b670
- github.comHardening Commit #2https://github.com/openclaw/openclaw/commit/3cbcba10cf30c2ffb898f0d8c7dfb929f15f8930
- github.comHardening Commit #3https://github.com/openclaw/openclaw/commit/633fe8b9c17f02fcc68ecdb5ec212a5ace932f09
- www.vulncheck.comVulnCheck Advisory: OpenClaw < 2026.2.2 - Authorization Bypass via Unauthenticated Telegram Webhookhttps://www.vulncheck.com/advisories/openclaw-authorization-bypass-via-unauthenticated-telegram-webhook