Grafana Labs GitHub Breach: Codebase Stolen and Ransom Demanded
Severity: Medium (Score: 52.5)
Sources: Kucoin, Securityaffairs.Co, Scworld, Panewslab, www.sec.gov
Published: · Updated:
Keywords: grafana, labs, breach, github, token, codebase, download
Severity indicators: breach
Summary
Grafana Labs reported a security incident on May 17, 2026, where an unauthorized attacker accessed its GitHub environment using a compromised token, downloading the company's codebase. The investigation confirmed that no customer data or personal information was compromised, and there was no impact on customer systems or operations. Grafana has identified the source of the credential leak, invalidated the compromised token, and implemented additional security measures. The attacker subsequently demanded a ransom to prevent the release of the code, but Grafana decided not to pay, citing FBI guidance on ransom payments. The company plans to provide further details following the completion of its investigation. Key Points: • An attacker accessed Grafana's GitHub environment and stole its codebase. • No customer data or personal information was compromised during the incident. • Grafana refused to pay the ransom demanded by the attacker.
Detailed Analysis
**Impact** Grafana Labs’ GitHub environment was compromised, resulting in the theft of portions of its private codebase. No customer data, personal information, or customer systems were affected, and no operational disruptions were reported. The incident primarily impacts Grafana Labs’ internal intellectual property rather than external customers or sectors. The ransom demand was refused by Grafana, and the company is confident that the breach will not materially affect its business or customers. **Technical Details** The attacker obtained a privileged access token that granted unauthorized access to Grafana Labs’ GitHub repositories, enabling the download of the company’s codebase. The breach involved credential theft but no specific malware, CVEs, or infrastructure details were disclosed. The attack corresponds to the initial access and exfiltration stages of the kill chain. Grafana has identified the source of the credential leak and revoked the compromised token. **Recommended Response** Revoke and rotate all access tokens and credentials associated with code repositories immediately. Harden GitHub environment security by enforcing multi-factor authentication and monitoring for anomalous token usage. Conduct forensic analysis to identify the root cause and monitor for any attempts to publish or misuse stolen code. No specific IOCs were provided; defenders should focus on credential security and suspicious repository access patterns.
Source articles (40)
- Grafana GitHub Token Breach Led to Codebase Download and Extortion Attempt — Thehackernews · 2026-05-17
Learn how to stop patient zero attacks before they bypass detection and compromise your systems at entry points. Learn how to validate real attack paths and reduce exploitable risk with continuous age… - Grafana Labs Security Breach — Cybersecuritynews · 2026-05-17
A threat actor infiltrated Grafana Labs’ GitHub environment, stealing a privileged token to download the company’s private codebase, and then attempted to extort the open-source observability giant wi… - Grafana Discloses GitHub Security Incident; Hacker Stole Code Repository and Demanded Ransom — Kucoin · 2026-05-17
According to ME News, on May 17 (UTC+8), the open-source data visualization tool Grafana posted on X that it recently discovered an unauthorized attacker had obtained a token granting access to the Gr… - Grafana disclosed that it encountered a GitHub environment security incident, where ... — Chaincatcher · 2026-05-17
The open-source data visualization tool Grafana stated on platform X that it recently discovered an unauthorized attacker had obtained a token that could access the Grafana Labs GitHub environment and… - Grafana discloses GitHub environment security incident, hacker steals code repository and ... — Odaily.News · 2026-05-18
Odaily reports that Grafana, an open-source data visualization tool, posted on X platform that it recently discovered an unauthorized attacker had obtained a token capable of accessing the Grafana Lab… - Grafana Labs Confirms Security Incident Involving GitHub Codebase Access — Gbhackers · 2026-05-18
Grafana Labs has confirmed a security incident involving unauthorized access to its internal GitHub environment, after a threat actor obtained a compromised access token and downloaded portions of the… - Grafana Labs admits all its codebase are belong to someone who popped its GitHub account — Theregister · 2026-05-18
Observability outfit Grafana Labs has revealed that an attacker accessed its GitHub repository and stole its codebase. In social media posts the company blamed the situation on an “unauthorized party”… - Grafana Labs disclosed a security incident in its GitHub environment, stating that customer ... — Panewslab · 2026-05-18
PANews reported on May 18th that Grafana, an open-source data visualization tool, announced on its X platform that an unauthorized party recently obtained a token to access its Grafana Labs GitHub env… - Grafana Labs Announces GitHub Breach Following Coinbase Cartel Claims — Technadu · 2026-05-18
Grafana Labs officially disclosed that an unauthorized party gained access to its GitHub environment by leveraging an access token, bypassing standard authentication perimeter controls. The company sa… - Attackers accessed, downloaded code from Grafana Labs’ GitHub — Feeds2.Feedburner · 2026-05-18
A threat actor has managed to access Grafana Labs’ GitHub environment and download the company’s codebase, the open-source observability and data visualization firm announced on Sunday. The breach is… - Open source tool maker Grafana Labs says hackers stole its code, refuses to pay ransom — Techcrunch · 2026-05-18
Grafana Labs, the maker of its eponymous popular open source web visualization software, confirmed it had been hacked but that it refused to pay the hackers who had threatened to release the company’s… - Grafana says stolen GitHub token let hackers steal codebase — Bleepingcomputer · 2026-05-18
Grafana Labs disclosed that hackers have downloaded its source code after breaching its GitHub environment using a stolen access token. A relatively new extortion gang known as CoinbaseCartel has clai… - Open source tool maker Grafana Labs says hackers stole its code, refuses to pay ransom — Techbuzz.Ai · 2026-05-18
Grafana Labs , the company behind one of the most popular open-source observability platforms, just disclosed a security breach that put its source code in the hands of cybercriminals. The attackers a… - Grafana Labs says hacker gained access to codebase through leaked token — Cybersecuritydive · 2026-05-18
The company, which operates a widely used observability platform, is refusing to pay an extortion demand. Grafana Labs said a hacker gained access to its GitHub environment and downloaded its codebase… - Grafana confirms GitHub token breach cybercrime group claims the attack — Securityaffairs.Co · 2026-05-18
Grafana confirmed a GitHub token breach that exposed source code, but said no customer data or systems were affected. Grafana Labs confirmed a security incident after the extortion group Coinbase Cart… - Grafana Labs discloses GitHub environment breach, source code downloaded — Scworld · 2026-05-18
Per HackRead, Grafana Labs has reported a security incident where an unauthorized actor gained access to a portion of its GitHub environment, resulting in the download of the company's source code. Th… - Grafana refuses ransom demand after GitHub breach — Itnews.Au · 2026-05-19
Grafana Labs, the maker of popular open source monitoring and observability tooling, is resisting paying off a threat actor that gained access to its GitHub environment and downloaded its codebase. Gr… - Grafana Labs Confirms Hackers Stole Source Code — Infosecurity-Magazine · 2026-05-19
A popular open source developer has revealed that hackers stole its codebase and tried to blackmail the firm into paying a ransom. Grafana Labs produces AI-powered analytics and visualization app Graf… - Cyberattack: Attackers copy Grafana source code — Heise.De · 2026-05-19
Grafana Labs has become the victim of a cyberattack. Attackers gained access to Grafana's source code. However, the developers do not intend to pay the demanded ransom. Grafana is an open-source appli… - Grafana Confirms Breach After Hackers Claim They Stole Data — Oodaloop · 2026-05-19
Grafana confirmed that attackers used a compromised token to access its GitHub environment and download its source code. The company stated that no customer or personal data was stolen and that operat… - Grafana Labs' GitHub Token Stolen via CI/CD Flaw: Codebase Gone, Ransom Refused — Techtimes · 2026-05-19
Grafana Labs , whose observability dashboards run inside the infrastructure of more than 7,000 organizations worldwide — including 70% of Fortune 50 companies — disclosed May 17 that an attacker stole… - AI-assisted campaign — ebuildersecurity.com · 2026-05-19
A six-week supply chain attack against GitHub repositories exposed credentials from hundreds of organisations before security researchers detected it in April 2026. The campaign, dubbed prt-scan by Wi… - Grafana Confirms Recent Security Incident Did Not Affect Customer Systems — Kucoin · 2026-05-20
Huo Xing Cai Jing reports that the open-source data visualization tool Grafana has released an update on its investigation into the security incident on May 16. The investigation found that the incide… - Grafana Labs Confirms GitHub Ransomware Attack; Customer Systems Unaffected — Kucoin · 2026-05-20
BlockBeats report: On May 20, Grafana Labs released a security update stating that on May 16, the company confirmed a targeted cyberattack in which attackers gained unauthorized access to its codebase… - Granafa: Investigations found that recent security incidents did not affect customers ... — Panewslab · 2026-05-20
PANews reported on May 20th that Grafana, an open-source data visualization tool, released an update on its investigation into the May 16th security incident. The investigation found that the incident…
Timeline
- 2026-05-17 — Unauthorized access to Grafana's GitHub environment: An attacker obtained a token to access Grafana's GitHub and downloaded its codebase.
- 2026-05-17 — Investigation initiated: Grafana Labs began a forensic analysis to identify the source of the credential leak and implemented security measures.
- 2026-05-17 — Ransom demand issued by the attacker: The attacker demanded a ransom to prevent the public release of the stolen codebase.
- 2026-05-18 — Grafana announces decision not to pay ransom: Grafana Labs publicly stated it would not pay the ransom, citing FBI recommendations against such payments.
Related entities
- Data Breach (Attack Type)
- Ransomware (Attack Type)
- Supply Chain Attack (Attack Type)
- Canvas (Tool)
- Grafana (Company)
- Grafana Labs (Company)
- X (Company)
- CWE-200 - Exposure of Sensitive Information (Cwe)
- CWE-287 - Improper Authentication (Cwe)
- T1041 - Exfiltration Over C2 Channel (Mitre Attack)
- T1078 - Valid Accounts (Mitre Attack)
- T1567 - Exfiltration Over Web Service (Mitre Attack)
- GitHub (Platform)