CVE-2016-10659: poco - The POCO libraries, downloads source file resources used for compilation over HTTP, which leaves it vul

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HIGH 8.1REMOTEUPGRADE

CVE-2016-10659 is a high-severity flaw (CVSS 8.1) affecting poco. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

poco - The POCO libraries, downloads source file resources used for compilation over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested resources with an attacker controlled copy if the attacker is on the network or positioned in between the user and the remote server.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	1.7% (top 22%)
CISA exploited list	No
Weakness	CWE-311, CWE-310
Published	2018-05-29
Last modified	2026-06-17

Publisher (CNA): HackerOne · Vendor: macchina

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-05-29 20:29 UTCPublished CVE record published
2026-06-17 00:40 UTCUpdated Record last modified

macchina poco UPGRADE

Affected: <= 1.7.7

Fixed in: newer than 1.7.7

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls poco

2. UPGRADE to newer than 1.7.7

npm install poco@">1.7.7"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-10659?

poco: upgrade to newer than 1.7.7. Exact commands for each OS are on this page.

Is CVE-2016-10659 being exploited?

CVE-2016-10659 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-10659 affect?

CVE-2016-10659 affects poco. Severity is high (CVSS 8.1). poco - The POCO libraries, downloads source file resources used for compilation over HTTP, which leaves it vulnerable to MITM attacks. It may be possible to cause remote code execution (RCE) by swapping out the requested resources with an a

How urgent is CVE-2016-10659?

Priority 53/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2025-6375 LOW 3.3 UPGRADE A vulnerability was found in poco up to 1.14.1
CVE-2025-45766 HIGH 7.0 DOWNGRADE poco v1.14.1-release was discovered to contain weak encryption
CVE-2023-52389 CRITICAL 9.8 UPGRADE UTF32Encoding.cpp in POCO has a Poco::UTF32Encoding integer overflow and resultant stack buffer overflow becau
CVE-2017-1000472 MEDIUM 6.5 UPGRADE MITIGATE The ZipCommon::isValidPath() function in Zip/src/ZipCommon.cpp in POCO C++ Libraries before 1.8 does not prope

References

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