Bitcoin Core Revises Security Policy as AI Makes Vulnerabilities Easier to Discover
Bitcoin Core is revising its security vulnerability disclosure policy to accelerate fixes for software flaws that artificial intelligence tools can easily identify, reflecting growing concerns that lengthy disclosure delays may no longer provide sufficient protection for users.
Antoine Poinsot, a Bitcoin Core developer, outlined the change in an email to the Bitcoin Development Mailing List on Thursday. Previously, vulnerabilities were generally subject to extended disclosure embargoes, allowing users time to upgrade before technical details became public. However, the growing ability of large language models (LLMs) to identify certain flaws has reduced the effectiveness of that approach.
Under the revised policy, vulnerabilities classified as easily discoverable will be fixed as quickly as possible across all maintained major versions of Bitcoin Core. Security advisories will be published alongside the corresponding updates, rather than requiring users of older versions to wait for a subsequent major release.
AI Changes Bitcoin Core's Vulnerability Disclosure Approach
Poinsot said the traditional embargo process can delay the availability of patched software without providing meaningful additional protection when a vulnerability is straightforward to rediscover. The developer explained that the policy is being adjusted to address this change in the security environment.
“The embargo period achieves little but it delays the availability of a fixed release,” Poinsot said. “We are therefore updating our policy disclosure to accommodate those.”
The updated classification covers vulnerabilities that can be identified with minimal effort, including through a simple prompt to an LLM. By distributing fixes across maintained major versions as soon as possible, Bitcoin Core aims to make patched software available without unnecessary delays.
Disclosure Timelines Depend on Vulnerability Severity
Vulnerabilities that do not fall into the easily discoverable category will continue to follow disclosure schedules determined by their severity. Bitcoin Core distinguishes between lower-risk bugs affecting individual nodes and more serious flaws that could threaten the network's fundamental security.
Under the policy, low-severity vulnerabilities will be disclosed two weeks after the release of a major version containing the relevant fix. Medium- and high-severity vulnerabilities will be disclosed two weeks after the last affected release reaches its end of life, which typically occurs one year after the fix is released in the new major version.
Critical vulnerabilities are excluded from the standard disclosure schedule because they would most likely require an ad hoc procedure, according to Bitcoin Core's policy explanation.
AI-Assisted Security Research Raises Wider Concerns
The policy revision comes amid broader efforts to identify vulnerabilities across Bitcoin-related software. In August, the volunteer Bitcoin Red Team reported nearly 5,000 potential issues spanning 390 projects. At the time, only around one-fifth of those findings had been reproduced.
Also in August, Core Lightning developers urged node operators to upgrade their software or take their nodes offline after receiving multiple vulnerability reports generated with AI assistance. The developers withheld technical details for two weeks.
Luke de Wolf, host of the Bitcoin Infinity Show and author of “Defending Bitcoin,” welcomed the Bitcoin Core policy change despite previously disagreeing with Poinsot's approach to security.
“I’ve disagreed with Antoine’s approach to security in the past, but this is a good update,” de Wolf said.
The revised policy reflects a shift in how software maintainers balance coordinated vulnerability disclosure against the need to distribute security fixes quickly. As AI tools make some flaws easier to identify, developers face increasing pressure to ensure that users can access patches before vulnerabilities become widely exploitable.
source: cointelegraph
Writer: Ethan Collins
Crypto Journalist
Ethan Collins reports on developments across the cryptocurrency and blockchain sector. His work covers market movements, protocol updates, regulatory changes, and emerging trends in digital assets.
He focuses on presenting complex topics in a clear and accessible manner for a broad readership.
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