rsync: rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure

A flaw was found in rsync. This vulnerability allows a remote attacker to bypass hostname-based access control rules. By inducing DNS resolution failures, the rsync daemon incorrectly skips deny rules, granting unauthorized access to restricted module file trees...

rsync: rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure

A flaw was found in rsync. This vulnerability allows a remote attacker to bypass hostname-based access control rules. By inducing DNS resolution failures, the rsync daemon incorrectly skips deny rules, granting unauthorized access to restricted module file trees...

GHSA-3GQM-FCW5-W839 NLTK: SSRF Fail-Open in validate_network_url() via DNS Resolution Failure

There is an SSRF vulnerability in NLTK 3.9.4's network URL validation. The validatenetworkurl function in nltk/pathsec.py fails open when DNS resolution returns an error. The resolvehostname helper at lines 193-234 catches OSError and ValueError during socket.getaddrinfo and returns an empty list...

NLTK: SSRF Fail-Open in validate_network_url() via DNS Resolution Failure

There is an SSRF vulnerability in NLTK 3.9.4's network URL validation. The validatenetworkurl function in nltk/pathsec.py fails open when DNS resolution returns an error. The resolvehostname helper at lines 193-234 catches OSError and ValueError during socket.getaddrinfo and returns an empty list...

Server-side Request Forgery (SSRF)

Overview PraisonAI is a PraisonAI is an AI Agents Framework with Self Reflection. PraisonAI application combines PraisonAI Agents, AutoGen, and CrewAI into a low-code solution for building and managing multi-agent LLM systems, focusing on simplicity, customisation, and efficient human-agent...

rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure

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CVE-2026-63311

NLTK before 3.10.0 affected versions = 3.9.4 contains a server-side request forgery SSRF vulnerability in the validatenetworkurl function in nltk/pathsec.py. The resolvehostname helper catches OSError and ValueError during socket.getaddrinfo and returns an empty list; when DNS resolution fails, t...

CVE-2026-63311

NLTK (Python NLP library) versions

CVE-2026-63311: Server-Side Request Forgery (SSRF)

NLTK before 3.10.0 affected versions = 3.9.4 contains a server-side request forgery SSRF vulnerability in the validatenetworkurl function in nltk/pathsec.py. The resolvehostname helper catches OSError and ValueError during socket.getaddrinfo and returns an empty list; when DNS resolution fails, t...

CVE-2026-70452

A flaw was found in rsync. This vulnerability allows a remote attacker to bypass hostname-based access control rules. By inducing DNS resolution failures, the rsync daemon incorrectly skips deny rules, granting unauthorized access to restricted module file trees. Mitigation To mitigate this issue...

SUSE CVE-2026-70452

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

Incorrect Authorization

Overview Affected versions of this package are vulnerable to Incorrect Authorization via the hostname-based access control evaluation process. An attacker can gain unauthorized access to restricted file trees by inducing DNS resolution failures, causing the daemon to skip deny rules. Remediation ...

ALPINE-CVE-2026-70452

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

AZL-95795 CVE-2026-70452 affecting package rsync for versions less than 3.5.0-1

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

CVE-2026-70452 rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

CVE-2026-70452 rsync 3.1.0 < 3.5.0 Access Control Bypass via DNS Resolution Failure

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

CVE-2026-70452: Incorrect Authorization

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

CVE-2026-70452

rsync 3.1.0 before 3.5.0 contains an access control bypass vulnerability that allows remote attackers to circumvent hosts deny rules by inducing DNS resolution failures during hostname-based access control evaluation. When a DNS lookup for a hostname-based deny rule fails, the daemon skips the ru...

DNS Resolution through NetScaler Fails with Unknown Host Error

DNS resolution for FQDN fails and following error is received when pinging FQDN from NetScaler: VPX-190 ping www.citrix.com ping: cannot resolve www.citrix.com: Unknown host ERROR:...

DNS Resolution fails due to Negative Caching

Steps to reproduce this issue: 1. Administrator added an authoritative name server A on Netscaler to resolveStoreFront LB's VIP. 2. Becasue name server A didn't have address record for Storefront LB fqdn, so DNS resolution failed. 3. Then administrator changed to another authoritative name...