On November 10, 2026, Bitcoin Core disclosed a medium-severity vulnerability identified as CVE-2025-62860: under certain configurations, external connections forwarded through local Tor software may be misjudged as trusted sources and included in the `-whitelist` list. This detail strikes at the most sensitive nerve of Bitcoin—the trust boundary that should be precisely controlled by node operators has been "widened" by the underlying implementation, creating an invisible loophole. Almost within the same time frame, according to a report by Greeks.live analyst Adam on November 12, BTC and ETH are set to encounter approximately $2.8 billion in nominal value of weekly options expiration on November 13, 2026, where the BTC options volume holds absolute dominance, and ETH also has several hundred million dollars awaiting settlement. The potential misconfiguration of permissions at the infrastructure level, coupled with the large-sized positions already stacked in the derivatives market, simultaneously pressures the market in these days, amplifying short-term uncertainty—on one side, there is the imaginative space for node and network security, while on the other, both bulls and bears must face the timing game. This article will separately dissect the vulnerability itself and the options position structure, treating them as parallel market signals rather than rigidly force-fitting coincidental timestamps into causal relationships.
Tor Whitelist Misjudgment: Trust Boundary Elevation
The issue with CVE-2025-62860 lies in the misdrawn line of “who counts as an insider.” In dealing with the locally operating Tor software, Bitcoin Core intended to regard connections from the local IP as highly trusted internal traffic; however, according to the disclosed information, this rule has been misapplied under certain configurations to “external connections coming through Tor”—as long as these connections are forwarded through the local Tor software, they appear to the node as if they were sent from the local machine.
When node operators enable `-whitelist` and configure higher permissions for local addresses, such “external yet appearing local” connections will be automatically added to the whitelist, inheriting the trust level that should only be allocated to genuine internal connections, thus elevating the overall trust boundary of the node. The vulnerability is classified as medium severity, with risks concentrated on nodes using both Tor and whitelisting; affected versions include those before 28.3, before 29.2, and before 30.0, with the official patch released recommending users to upgrade to readjust the inadvertently extended trust boundary back to the expected range.
Node Operators Self-Protection Amid Technical Undercurrents
From the perspective of node operators, what truly pains them about CVE-2025-62860 is not the “medium severity” label, but the moment when the trust boundary was silently expanded. According to Bitcoin Core's intended design, only sources explicitly written into the `-whitelist` should bypass regular access control; however, in the affected versions, external connections forwarded through local Tor software, under specific configurations, were mistakenly perceived as “locally trusted” and automatically whitelisted. This means that once operators rely on Tor access and actively use whitelisting to manage entry, the configuration initially meant to narrow the attack surface has been quietly torn open at the underlying implementation.
The concentrated point of risk lies precisely with these finely operated nodes. Users running under default configurations who do not enable Tor and whitelisting parameters appear to be more indirectly exposed: they rely on the health of the entire network rather than on a single entry strategy. However, for those operators who painstakingly manage firewalls and access control lists, this blow feels more like "insider betrayal"—tools they trust, in certain versions (prior to 28.3, prior to 29.2, prior to 30.0) and combination configurations, have unwittingly opened the door to those who should not enter. While revealing the issue and providing a patched version on November 10, 2026, the official recommendation urged users to upgrade promptly; as of November 12, 2026, there have been no public materials reporting exploited attack cases, loss amounts, or the number of affected nodes, but this does not diminish the psychological and procedural pressure on the operators.
The amplifier of pressure comes from the time window itself. Analyst Adam from Greeks.live revealed that on November 13, approximately $2.8 billion in nominal value of BTC and ETH weekly options will expire, with BTC around $2.48 billion and ETH approximately $300 million, with the maximum pain points for BTC and ETH also guiding market expectations. The disclosure point of the vulnerability is only a few days apart from this hefty expiration, and currently, there is no evidence showing a direct causal relationship between the two; however, in this sensitive period of high stacking of derivatives positions, any permission misconfiguration regarding “who can connect in and what can be done” on the infrastructure side will be magnified by operators. For node operators, this lesson is to review permission boundaries before every sensitive derivatives window, rather than relying on luck and the mercy of opponents.
$2.8 Billion Options Overhead: Bulls and Bears Tug-of-War
According to Greeks.live analyst Adam's report, a batch of BTC and ETH weekly options will concentrate on expiration on November 13, with a total nominal value of approximately $2.8 billion. At the current stage where volatility is not extreme, this volume of expiration itself will become a key time node for market participants to watch. Among them, the nominal value of BTC weekly options is about $2.48 billion, comprising about 34,000 contracts, while ETH is around $300 million, indicating that the "paper bet" of these two mainline assets is simultaneously approaching the settlement moment.
More critically is the direction distribution of the position structure: Greeks.live indicates that the maximum pain point for BTC options is near $76,000, with a put-to-call ratio (PCR) of 0.52, meaning bullish positions are more crowded, and bulls are more willing to pay for upside; while the maximum pain point for ETH options lies at around $2,200, with a PCR of about 1.55, indicating that bearish contracts have a heavier share, showing a stronger demand from bears for downside protection. A PCR below 1 tends to reflect bullish sentiment, while above 1 indicates bearish sentiment, but these numbers only come from a single analysis source at Greeks.live, and there has yet to be any cross-verification from exchanges or other data providers. Therefore, they are better suited as coordinates for observing the tug-of-war and emotional divergence between bulls and bears rather than as scripts for future price paths.
BTC Bullish, ETH More Cautious
According to data from Greeks.live, this period's maximum pain point for BTC options is at the $76,000 line, with a PCR of only 0.52, meaning more bullish contracts are piled up around this price level: from a trader’s perspective, bulls not only bet on direction but are also willing to bear the time value decay in this vicinity, while bears appear relatively dispersed. In contrast, the same report shows that ETH's maximum pain point is only $2,200, but the PCR is as high as about 1.55, indicating that put contracts dominate the open interest, which means that even if participants do not necessarily assertively short, they tend to first "buckle up" and buy downside protection.
In terms of indicators, a PCR below 1 generally means that the number of call options exceeds put options, while above 1 indicates that put positions are relatively heavier, and the maximum pain point represents the price range where bulls and bears feel "most uncomfortable" under the current position structure. However, these components are merely tools for depicting the distribution of power and do not guarantee a return to the delivery day price. A more realistic point is that currently, this set of BTC and ETH options data only comes from a single analysis source at Greeks.live, and the report has not disclosed more dimensions of transaction or position details. Thus, we are better off treating $76,000, $2,200, and 0.52, 1.55 as coordinates for observing emotional misalignment and position congestion, rather than preconceiving a bulls versus bears narrative.
Observation Points After Technical and Derivatives Games
Looking at this round of events comprehensively, on one end is the trust boundary vulnerability CVE-2025-62860 disclosed by Bitcoin Core on November 10, with no authoritative reports of wild exploitation or actual losses yet, but it involves judgments about whitelist connections by nodes; on the other end is the BTC and ETH weekly options with a nominal value of about $2.8 billion set to expire on November 13, with maximum pain points around $76,000 and $2,200, and emotional sentiments concentrated and magnified through PCRs of 0.52 and 1.55. The two lines have elevated the current market narrative tension from the dimensions of infrastructure security and derivatives positions. In the future, it is worth continuously monitoring along three threads: first, observe the pace at which Bitcoin Core nodes upgrade to the patched version and whether operators adjust Tor-related whitelisting configurations; second, pay attention to whether more technical details or related vulnerabilities regarding CVE-2025-62860 are publicly disclosed, thereby changing the market's subjective pricing of underlying risks; third, around the expiration before and after November 13, observe the price tug-of-war of BTC and ETH in the vicinity of $76,000 and $2,200, and whether it deviates from expected or unexpected values based on the current position structure. It must be reiterated that as of November 12, there is no evidence in public information suggesting a direct causal relationship between this vulnerability disclosure and changes in the options market prices; they more jointly outline the current market's technical background and emotional noise, rather than connecting into a definite chain of attacks and market trends.
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