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Github Security Blog
Github Security Blog
added 2026/05/21 7:38 p.m.17 views

nimiq-primitives: BlockInclusionProof interlink issue when hops are empty

Impact A logic flaw in BlockInclusionProof::isblockproven causes the function to return true without performing any cryptographic verification when getinterlinkhops yields an empty hop list. This occurs when the target block is at the election block position immediately preceding the election...

5.9CVSS5.8AI score0.0015EPSS
SaveExploits0References6Affected Software1
OSV
OSV
added 2026/05/21 2:36 p.m.19 views

CLSA-2026-1779357790 curl: Fix of 2 CVEs

CVE-2026-5773: wrong reuse of SMB connection; disable connection reuse for SMBS so a subsequent transfer cannot wrongfully reuse a pooled connection to a different share - CVE-2026-6276: clear stale custom-Host cookiehost between requests on the same easy handle cookie leak across origins...

7.5CVSS5.8AI score0.00618EPSS
SaveExploits2References1
Patchstack
Patchstack
added 2026/05/21 2:36 p.m.12 views

WordPress Location Weather – WordPress Weather Forecast, AQI, Temperature and Weather Widget plugin <= 3.0.2 - Missing Authorization to Authenticated (Contributor+) Block Settings Modification and Cache Purging vulnerability

Missing Authorization to Authenticated Contributor+ Block Settings Modification and Cache Purging vulnerability discovered by momopon1415 in WordPress Plugin Location Weather versions = 3.0.2...

4.3CVSS5.8AI score0.00248EPSS
SaveExploits0References1Affected Software1
Ubuntu
Ubuntu
added 2026/05/21 1:9 p.m.33 views

USN-8291-1: Linux kernel (Intel IoTG Real-time) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; - Netfilter; - iouring subsystem; CVE-2024-35862, CVE-2024-50060, CVE-2026-23274,...

9.8CVSS6.8AI score0.00662EPSS
SaveExploits0
OSV
OSV
added 2026/05/21 1:9 p.m.17 views

USN-8291-1 linux-intel-iot-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; - Netfilter; - iouring subsystem; CVE-2024-35862, CVE-2024-50060, CVE-2026-23274,...

9.8CVSS5.9AI score0.00662EPSS
SaveExploits0References5
ATTACKERKB
ATTACKERKB
added 2026/05/21 12:17 p.m.12 views

CVE-2026-43499

In the Linux kernel, the following vulnerability has been resolved: rtmutex: Use waiter::task instead of current in removewaiter removewaiter is used by the slowlock paths, but it is also used for proxy-lock rollback in rtmutexstartproxylock when invoked from futexrequeue. In the latter case...

5.8AI score0.00725EPSS
SaveExploits67References6Affected Software1
Malwarebytes
Malwarebytes
added 2026/05/21 10:19 a.m.19 views

Catch spyware in the act with Windows Webcam Monitoring

You’re working hard late at night, replying to emails and planning the week ahead. Then suddenly, a PDF file requests access to your camera. Why would a PDF need camera access? Cybercriminals often disguise spyware inside seemingly harmless files and programs. An unexpected request for access to...

5.8AI score
SaveExploits0
OSV
OSV
added 2026/05/21 10:8 a.m.12 views

CLSA-2026-1779358120 Fix CVE(s): CVE-2026-5773

SECURITY UPDATE: wrong reuse of SMB connection - debian/patches/CVE-2026-5773.patch: disable connection reuse for SMBS in lib/smb.c. - CVE-2026-5773...

7.5CVSS5.8AI score0.00618EPSS
SaveExploits1References1
OSV
OSV
added 2026/05/21 10:3 a.m.14 views

CLSA-2026-1779357791 Fix CVE(s): CVE-2026-5773

SECURITY UPDATE: libcurl may reuse the wrong connection for SMBS transfers, leading to access of an unintended SMB share with the same credentials. - debian/patches/CVE-2026-5773.patch: disable connection reuse for SMBS in lib/url.c by returning early from ConnectionExists when the requested...

7.5CVSS5.8AI score0.00618EPSS
SaveExploits1References1
OSV
OSV
added 2026/05/21 9:56 a.m.19 views

CLSA-2026-1779357393 curl: Fix of CVE-2026-5773

CVE-2026-5773: disable connection reuse for SMBS to prevent libcurl from reusing a connection to the same server for a different SMB share...

7.5CVSS5.8AI score0.00618EPSS
SaveExploits1References1
OSV
OSV
added 2026/05/21 9:52 a.m.15 views

CLSA-2026-1779357116 curl: Fix of CVE-2026-5773

CVE-2026-5773: disable connection reuse for SMBS to prevent libcurl from reusing a connection to the same server for a different SMB share...

7.5CVSS5.8AI score0.00618EPSS
SaveExploits1References1
OSV
OSV
added 2026/05/21 9:45 a.m.12 views

CLSA-2026-1779356706 vim: Fix of 2 CVEs

CVE-2022-2343: heap-buffer-overflow in inscompladdinfercase on long line with 'infercase' upstream vim 9.0.0045 - CVE-2022-3296: stack underflow in exfinally / exendtry when :finally lacks an enclosing :try upstream vim 9.0.0577...

7.8CVSS7.1AI score0.01322EPSS
SaveExploits2References1
CNNVD
CNNVD
added 2026/05/21 12:0 a.m.26 views

Concrete CMS 代码问题漏洞

Concrete CMS is an open-source content management system developed by Concrete CMS. Versions of Concrete CMS 9.5.0 and earlier have code vulnerabilities. These vulnerabilities stem from insecure deserialization in the ExpressEntryList block controller. This could allow malicious administrators wi...

8.9CVSS6.2AI score0.0047EPSS
SaveExploits0References1
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.31 views

PT-2026-44146

Name of the Vulnerable Software and Affected Versions Symfony versions prior to 5.4.21 Description The SymfonyComponentYamlParser entry point for parsing YAML strings into PHP values via Yaml::parse lacks a depth limit for recursion. When processing attacker-controlled input, deeply nested mappin...

8.2CVSS6AI score0.0074EPSS
SaveExploits0References21
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.22 views

PT-2026-42554

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description An Insecure Direct Object Reference IDOR, which occurs when an application provides direct access to objects based on user-supplied input, exists in the Express Entry Detail block. By...

6.3CVSS5.8AI score0.00205EPSS
SaveExploits0References3
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.13 views

PT-2026-42602

Impact A logic flaw in BlockInclusionProof::is block proven causes the function to return true without performing any cryptographic verification when get interlink hops yields an empty hop list. This occurs when the target block is at the election block position immediately preceding the election...

5.9CVSS5.8AI score
SaveExploits0References6
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.24 views

PT-2026-42545

Name of the Vulnerable Software and Affected Versions Concrete CMS versions 9.5.0 and earlier Description An authorization bypass exists in the Calendar Block. The function action get events fails to verify the canView permission on the calendar, which allows the disclosure of restricted event...

6.3CVSS5.8AI score0.00211EPSS
SaveExploits0References4
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.22 views

PT-2026-42544

Concrete CMS 9.5.0 and below is vulnerable to authorization Bypass in the Calendar Event Frontend Dialog which can allow cross-calendar data disclosure. A public calendar block can be used as a pivot point to access private calendar data. The Concrete CMS security team gave this vulnerability a...

6.3CVSS5.8AI score0.00211EPSS
SaveExploits0References2
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.15 views

PT-2026-42634

Summary The OAuth token strategy attached oauth scope and oauth granted resources to the request user, but the ACL middleware never consulted either. An OAuth token issued with a restricted scope e.g. MCP-only therefore inherited the full permissions of the underlying user across all routes; the...

2CVSS5.8AI score
SaveExploits0References3
Positive Technologies
Positive Technologies
added 2026/05/21 12:0 a.m.29 views

PT-2026-42675

Name of the Vulnerable Software and Affected Versions NocoDB versions prior to 2026.04.1 Description The OAuth token strategy attaches oauth scope and oauth granted resources to the request user, but the ACL Access Control List middleware fails to consult these values. Consequently, an OAuth toke...

2CVSS5.8AI score0.00151EPSS
SaveExploits0References7
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