RiskEvents

Developing event. Generated by AI and subject to further corroboration and review.

DevelopingMedium impactAI Refreshed

Grafana Labs Source Code Stolen via Compromised GitHub Access Token

Occurred 17 May 2026·Detected 18 May 2026·
🇺🇸 Grafana Labs (US-based operations), San Francisco, California2 reports
CyberPropertyCyberCasualty & Liability

Grafana Labs disclosed a cybersecurity incident in which threat actors used a stolen GitHub access token to gain unauthorized access to its GitHub environment and download the company's source code. The company publicly confirmed the breach and stated it would not pay an associated ransom demand. The incident raises supply chain risk concerns given Grafana's widespread use as monitoring and observability software, though the full scope of exfiltration, the threat actor's identity, and any downstream exploitation remain unclear.

AI-generated from linked source reports. See our correction policy.

Impact verdict

Medium impact. Grafana is widely deployed across enterprise and critical infrastructure environments for monitoring and observability, so theft of its source code creates downstream risk of vulnerability discovery and potential supply chain exploitation. Direct insured loss at this stage appears limited to Grafana Labs itself, with broader market exposure contingent on whether the stolen code is weaponized against deployed instances.

View assessment methodology

How we grade what we know -- Known · Reported · Uncertain. Methodology →

Intelligence ledger

Each line expands in place to its underlying sourced claim.

AI refreshed 11 Jun 2026, 22:55

Known7 lines

Grafana Labs confirmed hackers downloaded its source code▾
structured lineknown
No separate sourced-claim record is available for this line yet.
Breach occurred via a stolen GitHub access token▾
structured lineknown
No separate sourced-claim record is available for this line yet.
The GitHub environment was the entry point for the intrusion▾
structured lineknown
No separate sourced-claim record is available for this line yet.
The intrusion vector was a stolen GitHub access token, which the threat actor used to access and exfiltrate the company's source code from its GitHub environment.▾
entry_point_github_tokensupply chain exposurevalid from 18 May 2026, 19:38Cyber
Market relevance: Highlights credential and secrets-management risk for software vendors.
“breaching its GitHub environment using a stolen access token.” — BleepingComputer · 18 May 2026, 13:46 · trade media
The breach originated from a stolen GitHub access token, which the threat actors used to access Grafana Labs' GitHub environment and exfiltrate code.▾
grafana_breach_vector_github_tokencyber loss vectorvalid from 18 May 2026, 19:38Cyber
Market relevance: Highlights credential and secrets-management risk for software vendors operating code repositories.
“breaching its GitHub environment using a stolen access token” — BleepingComputer · 10 Jun 2026, 02:20
Grafana Labs confirmed that threat actors downloaded its source code following unauthorized access to its GitHub environment.▾
grafana_source_code_exfiltratedsupply chain exposurevalid from 18 May 2026, 19:38Cyber
Market relevance: Grafana source code theft could enable future vulnerability research or exploitation of widely deployed Grafana monitoring software, creating potential supply chain risk for downstream users.
“the company released a statement confirming the incident and outlining their decision not to pay a ransom issued by the hackers behind the attack.” — The Record (Cyber) · 10 Jun 2026, 02:20
“Grafana Labs disclosed that hackers have downloaded its source code after breaching its GitHub environment using a stolen access token.” — BleepingComputer · 10 Jun 2026, 02:20
Grafana Labs publicly confirmed a cybersecurity incident in which its source code was stolen from its GitHub environment via a compromised access token.▾
grafana_breach_confirmedsupply chain exposurevalid from 18 May 2026, 19:38Cyber
Market relevance: Direct incident at a widely deployed observability vendor; affects downstream enterprise risk posture.
“On Saturday night, the company released a statement confirming the incident and outlining their decision not to pay a ransom issued by the hackers behind the attack.” — The Record (Cyber) · 18 May 2026, 17:50 · trade media
“Grafana Labs disclosed that hackers have downloaded its source code after breaching its GitHub environment using a stolen access token.” — BleepingComputer · 18 May 2026, 13:46 · trade media

Reported5 lines

Hackers were able to access and exfiltrate the codebase using the compromised token▾
structured linereported
No separate sourced-claim record is available for this line yet.
The breach was disclosed by Grafana Labs publicly▾
structured linereported
No separate sourced-claim record is available for this line yet.
Theft of source code from a widely deployed observability vendor creates supply chain risk, including the potential for vulnerability discovery and exploitation of deployed instances.▾
supply_chain_risk_contextsupply chain exposurevalid from 18 May 2026, 19:38Cyber
Market relevance: Grafana is broadly used across enterprise and critical infrastructure environments for monitoring and observability.
“The breach represents a supply chain compromise risk given Grafana's widespread use as monitoring and observability software.” — BleepingComputer · 18 May 2026, 13:46 · trade media
A ransom demand was issued by the threat actors in connection with the source code theft; Grafana Labs stated it will not pay the ransom.▾
ransom_demanded_not_paidpotential follow on impactvalid from 18 May 2026, 20:48Cyber
Market relevance: Ransom non-payment may affect whether stolen code is leaked or further exploited.
“the company released a statement confirming the incident and outlining their decision not to pay a ransom issued by the hackers behind the attack.” — The Record (Cyber) · 18 May 2026, 17:50 · trade media
Hackers issued a ransom demand in connection with the source code theft, and Grafana Labs publicly stated it would not pay the ransom.▾
grafana_ransom_demanded_and_refusedcyber extortion indicatorvalid from 18 May 2026, 20:48Cyber
Market relevance: Suggests a criminal extortion motive rather than purely state-sponsored intelligence collection; could influence coverage considerations for cyber extortion policies.
“the company released a statement confirming the incident and outlining their decision not to pay a ransom issued by the hackers behind the attack.” — The Record (Cyber) · 10 Jun 2026, 02:20

Uncertain12 lines

The full scope of data exfiltrated beyond source code is unclear▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
The identity or attribution of the threat actor is not confirmed▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
Whether the stolen code has been used for further exploitation is unknown▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
How the GitHub access token was originally stolen is not specified▾
structured lineuncertain
No separate sourced-claim record is available for this line yet.
The method by which the GitHub access token was originally stolen has not been publicly specified.▾
token_theft_vector_unspecifiedcontextCyber
Market relevance: Clarifying the initial vector (e.g., developer device compromise, secret leak) would inform preventive controls across the sector.
BleepingComputer · 18 May 2026, 13:46 · trade media
It is unknown whether the stolen source code has been used to develop further attacks against Grafana deployments.▾
downstream_exploitation_uncertainsupply chain exposureCyber
Market relevance: If weaponized, this could create a coordinated vulnerability disclosure and patching cycle across enterprise users.
BleepingComputer · 18 May 2026, 13:46 · trade media
The full scope of data exfiltrated beyond the source code is not yet confirmed.▾
scope_of_exfiltration_uncertainsupply chain exposureCyber
Market relevance: Broader exposure (e.g., secrets, customer data) would materially alter downstream risk.
BleepingComputer · 18 May 2026, 13:46 · trade media
The identity and attribution of the threat actor have not been publicly confirmed.▾
threat_actor_attribution_uncertaincontextCyber
Market relevance: Attribution could inform whether the incident is part of a broader campaign affecting other software vendors.
The Record (Cyber) · 18 May 2026, 17:50 · trade media
The identity, origin, or affiliation of the threat actor behind the Grafana Labs breach has not been publicly confirmed.▾
grafana_threat_actor_attribution_uncertainattribution uncertaintyvalid from 18 May 2026, 20:48Cyber
Market relevance: Attribution to a criminal group versus a state-aligned actor would alter the strategic and underwriting interpretation of the event.
BleepingComputer · 10 Jun 2026, 02:20
It is not yet confirmed what additional data, beyond the source code, may have been accessed or exfiltrated from Grafana Labs' GitHub environment.▾
grafana_breach_scope_beyond_source_code_uncertainloss scope uncertaintyvalid from 18 May 2026, 20:48Cyber
Market relevance: A wider scope of exfiltration could elevate first-party loss estimates and trigger additional regulatory or notification exposure.
BleepingComputer · 10 Jun 2026, 02:20
The method by which the GitHub access token was originally stolen has not been publicly disclosed.▾
grafana_token_theft_method_uncertainthreat contextvalid from 18 May 2026, 20:48Cyber
Market relevance: Understanding the token theft vector is relevant for assessing whether the incident reflects a broader campaign affecting other vendors or organizations.
BleepingComputer · 10 Jun 2026, 02:20
There is currently no public evidence that the stolen Grafana source code has been used to discover new vulnerabilities or to attack Grafana deployments in the field.▾
grafana_downstream_exploitation_not_observeddownstream riskvalid from 18 May 2026, 20:48Cyber
Market relevance: A confirmed downstream exploitation event could materially raise the loss potential for the incident, but none has been reported as of this update.
BleepingComputer · 10 Jun 2026, 02:20

Geographic Zone Matches

1 active match

  • TRIA Certified Areas
    Rule-basedConfidence 100%

Geographic zone matches are RiskEvents spatial/analytical indicators, not coverage determinations or Lloyd's official classifications.

Affected countries

🇺🇸 United States

Latest developments

  • Grafana Labs confirmed that hackers stole its source code through a compromised GitHub access token. — BleepingComputer
  • Entry to Grafana's GitHub environment was gained through a stolen access token. — BleepingComputer
  • Grafana Labs disclosed the incident and stated it will not pay the ransom demand. — The Record (Cyber)
  • It is not yet clear whether data beyond the source code was taken. — BleepingComputer
  • No public attribution of the attackers has been made. — The Record (Cyber)
  • Whether the stolen code will be used to attack Grafana users remains unknown. — BleepingComputer
  • How the GitHub access token was originally obtained has not been disclosed. — BleepingComputer
  • The incident highlights supply chain risk for organizations relying on Grafana for monitoring. — BleepingComputer

Timeline

Status Change18 May 2026, 20:48

Status changed to developing

Auto-promoted: multiple sources

Corroboration18 May 2026, 20:48

Grafana, the open-source analytics and monitoring software company, confirmed a cybersecurity incident in which hackers stole its codebase and issued a ransom demand. The company released a public statement on Saturday night announcing its decision not to pay the ransom. The incident represents a significant data theft targeting Grafana's core intellectual property.

Source: The Record (Cyber) (Trade Media) · View source

Initial Detection18 May 2026, 19:38

Initial Detection

Grafana Labs disclosed that threat actors gained unauthorized access to its GitHub environment using a stolen access token, enabling them to download the company's source code. The breach represents a supply chain compromise risk given Grafana's widespread use as monitoring and observability software. The incident raises concerns about potential downstream exploitation of proprietary code for vulnerability discovery or further attacks.

Grafana Labs disclosed that hackers have downloaded its source code after breaching its GitHub environment using a stolen access token.

Source: BleepingComputer (Trade Media) · View source

Lloyd's classifications

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