CVE-2026-20796

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, caused by an improper recovery mechanism in the macvlancommonnewlink function. This vulnerability may lead to reus...

CVE-2026-23112

creationtimestamp| type| source ---|---|--- 2026-02-13 14:21:39+00:00| seen| https://infosec.exchange/users/vuldb/statuses/116063764118245130 2026-03-13 00:00:00+00:00| seen| https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0291/ 2026-03-16 03:00:00+00:00| seen|...

Mattermost doesn't properly validate channel membership at the time of data retrieval

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

Time-of-check Time-of-use (TOCTOU) Race Condition

Overview Affected versions of this package are vulnerable to Time-of-check Time-of-use TOCTOU Race Condition via a race condition in the /commonteams API endpoint. An attacker can gain unauthorized access to team names by exploiting the timing of channel membership validation during data retrieva...

GHSA-2XF7-HMF6-P64J Mattermost doesn't properly validate channel membership at the time of data retrieval

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

Security update for glibc-livepatches

This update for glibc-livepatches fixes the following issues: CVE-2026-0861: Fixed that inadequate size check in the memalign suite may result in an integer overflow bsc1256913 Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST onlineupdate or...

CVE-2026-20796

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

CVE-2026-20796 Time-of-check time-of-use vulnerability in common teams API

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

CVE-2026-20796 Time-of-check time-of-use vulnerability in common teams API

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

CVE-2026-20796

Mattermost CVE-2026-20796 affects version 10.11.x up to 10.11.9, due to improper validation of channel membership at data retrieval. A race condition in the /common_teams API endpoint can allow a deactivated user to learn team names they should not access. Root cause: insufficient validation duri...

CVE-2026-20796 Time-of-check time-of-use vulnerability in common teams API

Mattermost versions 10.11.x = 10.11.9 fail to properly validate channel membership at the time of data retrieval which allows a deactivated user to learn team names they should not have access to via a race condition in the /commonteams API endpoint.. Mattermost Advisory ID: MMSA-2025-00549...

Ubuntu 20.04 LTS / 22.04 LTS : Linux kernel (NVIDIA Tegra) vulnerabilities (USN-8034-1)

"The remote Ubuntu 20.04 LTS / 22.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8034-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

openSUSE Security Advisory (SUSE-SU-2026:0439-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2026 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

Introducing AI Cyber Model Arena: A Real-World Benchmark for AI Agents in Cybersecurity

Wiz Research’s AI Cyber Model Arena benchmarks offensive AI security on 257 real-world challenges zero-days, CVEs, API/web, and cloud across AWS/Azure/GCP/K8s demonstrating what AI models and agents can really do...

83% of Ivanti EPMM Exploits Linked to Single IP on Bulletproof Hosting Infrastructure

A significant chunk of the exploitation attempts targeting a newly disclosed security flaw in Ivanti Endpoint Manager Mobile EPMM can be traced back to a single IP address on bulletproof hosting infrastructure offered by PROSPERO. Threat intelligence firm GreyNoise said it recorded 417 exploitati...

CVE-2026-2035

creationtimestamp| type| source ---|---|--- 2026-02-12 05:00:00+00:00| seen| http://www.zerodayinitiative.com/advisories/ZDI-26-078/...

CVE-2026-21326

creationtimestamp| type| source ---|---|--- 2026-02-11 11:01:11+00:00| seen| https://bsky.app/profile/thehackerwire.bsky.social/post/3meld74lshb2v...

no-cloud (0.0.8), nxviz (>=0.2.0, <=0.2.7) +4 more potentially affected by CVE-2026-26007 via cryptography (1.7.1)

cryptography PYPI version 1.7.1 is affected by a known vulnerability. The following packages have a transitive dependency on cryptography and may be impacted: - no-cloud 0.0.8 - nxviz =0.2.0, =0.7.0, =1.6.0, =2.1.1rc5, =0.3.3, =0.6.0 Source cves: CVE-2026-26007 Source advisory: OSV:PYSEC-2026-214...

no-cloud (0.0.8), nxviz (>=0.2.0, <=0.2.7) +4 more potentially affected by CVE-2026-26007 via cryptography (1.7.1)

cryptography PYPI version 1.7.1 is affected by a known vulnerability. The following packages have a transitive dependency on cryptography and may be impacted: - no-cloud 0.0.8 - nxviz =0.2.0, =0.7.0, =1.6.0, =2.1.1rc5, =0.3.3, =0.6.0 Source cves: CVE-2026-26007 Source advisory:...