CVE-2026-28449Disclosure(openclaw / openclaw)

LOWCVSS 6.5 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppression. Attackers can capture and replay previously valid signed webhook requests to trigger duplicate inbound message processing and cause integrity or availability issues.

0.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-294

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • openclaw

Threat summary

  • 3 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 1 signal
  • Disclosure: 2 classified signals
  • General: 1 classified signal
  • Peaked 1d ago at 2 mentions (2026-03-19); latest day: 1
  • 3 total mentions across 2 days

Affected systems

Vendors
Products
openclaw

Deep dive

Activity timeline3 mentions / 2d
01122Mentions · 2026-03-19: 2Mentions · 2026-03-21: 1Technical Details · 2026-03-19: 103-1903-21
Signal classification2 categories
Disclosure
266.7%
General
133.3%
Referenced assets4 URLs
Classification over time
DateTotalLabels
2026-03-192
Disclosure2
2026-03-211
General1
Full discourse3 posts
  • CVEarity@CVEarity
    General

    ⚡ New CVE Alert: CVE-2026-28449 📊 Severity: 4.8 🚨 Risk Level: Medium 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2026-28449 #CVE-2026-28449 #CVE #Medium  #CyberSecurity #InfoSec https://t.co/xd9IhLUDMO

    Post summary

    The tweet announces CVE‑2026‑28449 with a medium severity rating and a link to the NVD, but offers no technical, exploit, or mitigation details.

    0000022
    108 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-28449 OpenClaw versions prior to 2026.2.25 lack durable replay state for Nextcloud Talk webhook events, allowing valid signed webhook requests to be replayed without suppre… https://www.cve.org/CVERecord?id=CVE-2026-28449

    Post summary

    The text announces CVE‑2026‑28449 as a replayability flaw in OpenClaw’s handling of Nextcloud Talk webhooks, with no evidence of PoC, exploit, or patch details.

    00000113
    56.7K followersView on X
  • Vulmon Vulnerability Feed@VulmonFeeds
    Disclosure

    CVE-2026-28449 Nextcloud Talk Webhook Replay Vulnerability in OpenClaw B... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-28449 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2

    Post summary

    The post cites a new CVE (CVE‑2026‑28449) for a Nextcloud Talk webhook replay weakness and links to a vulnerability detail page, but offers no PoC, exploit code, or patch information.

    0000036
    4.0K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appopenclawopenclaw-node.js-

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