CVE-2026-40525General(volcengine / openviking)

LOWCVSS 9.1 · CRITICAL

Exploit discussion active in current signal (2 latest mentions)

Immediate actions

  • Patch volcengine openviking systems immediately
  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft

Recommended action window: High priority (within 72h)

NVD description

OpenViking prior to version 0.3.9 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails open when the api_key configuration value is unset or empty. Remote attackers with network access to the exposed service can invoke privileged bot-control functionality without providing a valid X-API-Key header, including submitting attacker-controlled prompts, creating or using bot sessions, and accessing downstream tools, integrations, secrets, or data accessible to the bot.

2.0/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-636

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

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

  • openviking

Threat summary

  • Public PoC is present in monitored signal
  • Patch or workaround signal is available
  • 6 mentions across 3 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Patch or workaround mentioned in 1 signal
  • Technical details provided in 4 signals
  • General: 3 classified signals
  • Disclosure: 2 classified signals
  • Peaked 2d ago at 2 mentions (2026-04-17); latest day: 2
  • 6 total mentions across 3 days

Affected systems

Vendors
Products
openviking

Deep dive

Activity timeline6 mentions / 3d
01122Mentions · 2026-04-17: 2Mentions · 2026-04-19: 2Mentions · 2026-05-12: 2PoC Mentioned / Linked · 2026-04-17: 1Patch / Workaround · 2026-04-17: 1Technical Details · 2026-04-17: 2Technical Details · 2026-04-19: 1Technical Details · 2026-05-12: 104-1704-1905-12
Signal classification3 categories
General
350.0%
Disclosure
233.3%
Patch
116.7%
Referenced assets3 URLs
Classification over time
DateTotalLabels
2026-04-172
Disclosure1Patch1
2026-04-192
General2
2026-05-122
Disclosure1General1
Full discourse6 posts
  • Orizon@OrizonCyber
    Patch

    🚨 CVE-2026-40525 — CVSS 9.1/10 █████████░ OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route... Severity: CRITICAL Patch now. #cybersecurity #CVE https://t.co/M22jFFlnsA

    Post summary

    The tweet announces a critical authentication bypass vulnerability in OpenViking (CVE-2026-40525), provides a CVSS score and a commit reference, and urges users to apply the available patch.

    2000063
    23 followersView on X
  • Lyrie.ai@lyrie_ai
    Disclosure

    Unpopular opinion: The cybersecurity industry is selling you dashboards. CVE: CVE-2026-40525 CVSS: 9.1 (3.1) — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N Severity: CRITICAL Status: Critical advisory

    Post summary

    The post merely announces CVE-2026-40525, listing its critical severity and CVSS details, without providing a PoC, exploit, patch, or evidence of active exploitation.

    1000035
    210 followersView on X
  • Lyrie.ai@lyrie_ai
    General

    https://lyrie.ai/research/research/cve-2026-40525-volcengine-openviking #lyrie #cybersecurity #CVE #threatintel #zerodayattack

    Post summary

    The text merely references a URL and uses generic hashtags, providing no substantive information about the CVE.

    0000027
    210 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-40525 OpenViking prior to commit c7bb167 contains an authentication bypass vulnerability in the VikingBot OpenAPI HTTP route surface where the authentication check fails op… https://www.cve.org/CVERecord?id=CVE-2026-40525

    Post summary

    The text notes that CVE-2026-40525 is an authentication bypass flaw in OpenViking prior to commit c7bb167, but offers no PoC, exploit, patch, or evidence of active exploitation.

    0000098
    57.2K followersView on X
  • z3n@zench4n
    General

    Stay vigilant on emerging exploit patterns. Whether it is authentication bypasses like CVE-2026-40525 or new React vulnerabilities, the goal is the same: understanding how untrusted data flows through complex systems to prevent exploitation.

    Post summary

    The post references CVE-2026-40525 but provides no additional technical details, exploit code, or mitigation information, making it a generic mention.

    0000017
    1.4K followersView on X
  • 0day Signal@0dayPublishing
    Disclosure

    🚨 CVE-2026-40525: OpenViking Authentication Bypass... Default-open auth logic turns OpenViking bots into remote code execution proxies - attackers get full bot control, secr... https://zerodaysignal.com/vulnerability/CVE-2026-40525 #netsec #vulnerability #CVE #sysadmin #zeroday

    Post summary

    The post announces CVE-2026-40525 as an authentication bypass in OpenViking that can lead to remote code execution by converting bots into proxies, but no exploit code, active usage, or patch information is provided.

    0000083
    218 followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appvolcengineopenviking---

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