World News & Events Started Jun 17, 2026 1:11 PM

Monero Weekly Update by StereoSwap (June 6 — June 15): P2Pool Security Fix & Critical Upgrade

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Jun 17, 2026 1:11 PM
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šŸ”’ Critical P2Pool Security Update

The biggest Monero mining story this week was a critical security vulnerability discovered in P2Pool.

The issue affected all previously released versions of P2Pool and could potentially allow an attacker to manipulate reward calculations, redirecting mining payouts away from legitimate miners.

Fortunately, the vulnerability was identified before any confirmed exploitation occurred.

āš ļø Key points:

• The bug was related to P2Pool consensus.
• No remote code execution or node-crashing attacks were possible.
• Existing funds already received in wallets remained safe.
• Historical logs showed no evidence of exploitation.

Because P2Pool is open source, developers delayed publishing technical details until a patched version was available, preventing attackers from quickly weaponizing the bug.

For several days, miners were warned to prepare for an immediate upgrade once the fix became public.

šŸ›  P2Pool v4.16 Released

On June 13, the P2Pool team released v4.16, officially fixing the consensus vulnerability.

The update was strongly recommended for all miners, as anyone remaining on older versions could become vulnerable if exploit code appeared after disclosure.

✨ New features include:

• TLS support for merged mining.
• SSL fingerprint display when connecting to RPC nodes over SSL.
• Additional merged mining API fields for improved usability.
• Better node health monitoring and stuck-node detection.

šŸ›” Security and stability improvements:

• The critical consensus vulnerability was fixed.
• Multiple P2P networking hardening improvements were added.
• Stratum server protections were strengthened.
• Several miner API and shutdown-related bugs were resolved.

Beyond the security patch itself, the release highlights how important decentralized infrastructure maintenance has become for Monero. P2Pool continues to grow as a trustless mining solution, but incidents like this remind miners that keeping software updated is just as important as securing wallets and private keys.

šŸ¤” A good reminder for the entire ecosystem

Privacy-focused systems often emphasize self-custody and decentralization, but those benefits come with responsibility.

This week demonstrated that even highly decentralized infrastructure requires active maintenance, rapid communication, and coordinated upgrades when vulnerabilities are discovered.

The good news: the issue was found, fixed, and deployed before any known damage occurred a strong example of the ecosystem responding quickly when security matters most.

Signature

KYC - Keep Your Coins

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Jun 17, 2026 1:42 PM
#2

The biggest Monero mining story this week was a critical security vulnerability discovered in P2Pool.

The issue affected all previously released versions of P2Pool and could potentially allow an attacker to manipulate reward calculations, redirecting mining payouts away from legitimate miners.

Fortunately, the vulnerability was identified before any confirmed exploitation occurred.

The good news: the issue was found, fixed, and deployed before any known damage occurred a strong example of the ecosystem responding quickly when security matters most.

it was exploited tho, currently still is, people that still havent updated to this day are still getting their mining rewards stolen

so the attacker as of yesterday was getting about ~$1400 daily or so on that
not much of a loss for individual miners cause the math behind mining dont make sense as of today anyways

but still, it has been confirmed that it has been exploited

also your weekly is for june 6 to june 15, but on june 16 there was the retoswap thing too, which work still needs to be done there to find the issue, fix it so it can come back online

Because P2Pool is open source, developers delayed publishing technical details until a patched version was available, preventing attackers from quickly weaponizing the bug.

For several days, miners were warned to prepare for an immediate upgrade once the fix became public.

right, 3 days notice, which given the circumstances, longer might have allowed attackers to find the vulnerabilities sooner or later anyways, shorter would have been too short notice

but as of yesterday, it was still being exploited and many people still need to update

Beyond the security patch itself, the release highlights how important decentralized infrastructure maintenance has become for Monero.

yea... nowadays pretty much everything tech related tbh
is like, those day traders loosing sleep over if their bag gonna pump or dump overnight or things like that lol, but now it's not even a numbers go up or down issue, it's pretty much a "will the tech still even work when waking up type thing?"

P2Pool continues to grow as a trustless mining solution, but incidents like this remind miners that keeping software updated is just as important as securing wallets and private keys.

well... sometimes updates also introduces new bugs too lol, stable versions that have been running for awhile without updates are somewhat reassuring in that sense, is been stable so hopefully will stay stable lol
but yea in cases like these, critical emergency updates type thing then yea, gotta update as fast as possible, else literally vulnerable to whatever is out there lol

Privacy-focused systems often emphasize self-custody and decentralization, but those benefits come with responsibility.

truth right here
and not just "privacy-focused systems", self-custody is not just about privacy but also literally not having your funds stolen, blocked, lost, misplaced or literally whatever by a 3rd party
but yea, self-custody is not an easy thing
and lots of people find comfort in using banks instead of cash because they rather trust a 3rd party than themselves
that is unfortunate, self-custody should be the way, that's literally why bitcoin was made in the first place, there needs to be more education about proper practices on that end

This week demonstrated that even highly decentralized infrastructure requires active maintenance, rapid communication, and coordinated upgrades when vulnerabilities are discovered.

truth, cant be doing the whole 9-5 bureaucracy-tm on that, is literally working overtime all year long
which is also why got alot of respect for: https://monero.observer/ that even just as a newsletter, author literally been working endlessly no break for years, now the break has been for over half a year already, but that's a deserved break regardless, people be humans, not AI-bots lol
humans do need the breaks

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