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High [CVE-2026-72848] Server-Side Request Forgery and Information Disclosure via nested sitemap entries
SitemapLoader.parse_sitemap in langchain_community/document_loaders/sitemap.py applies the documented restrict_to_same_domain control only to leaf url entries. The loop over url elements filters cross-domain locations, but the loop over nested sitemap elements passes the child loc straight to self.scrape_all([loc.text], "xml"), which reaches WebBaseLoader.scrape_all and an aiohttp GET, with no domain comparison and no check for private, loopback or link-local destinations. An attacker who controls or influences an ingested sitemap can therefore point a nested sitemap entry at an internal address and make the server fetch it even when the deploying application set restrict_to_same_domain to True specifically to confine outbound requests. The fetched content is parsed and surfaces in the returned Documents, so internal responses are disclosed to the caller rather than merely requested. A flaw was found in langchain-community. This leads to Server-Side Request Forgery (SSRF) and information disclosure, as internal server responses are parsed and returned to the attacker. Red Hat severity: Important — CVSS 8.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N). Weakness: CWE-918. Affected products named by the advisory: Exploit Intelligence; Migration Toolkit for Applications 8; OpenShift Lightspeed; Red Hat Ansible Automation Platform 2; and 2 more.
High [CVE-2026-69519] Azure Stack HCI Information Disclosure Vulnerability
Azure Stack HCI Information Disclosure Vulnerability
High [CVE-2026-55893] Heap buffer overflow with potential code execution
Heap buffer overflow with potential code execution. Red Hat rates this moderate (CVSS 7). Weakness: CWE-805. Red Hat lists fixing advisory RHSA-2026:59419 with package capstone-main-5.0.8-0.3.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: capstone.
High [CVE-2026-73137] cross-namespace Secret exfiltration via HelmRelease.repo.secretRef.namespace
cross-namespace Secret exfiltration via HelmRelease.repo.secretRef.namespace. Red Hat rates this important (CVSS 7.7). Weakness: CWE-200. Red Hat lists fixing advisory RHSA-2026:60391 with package rhacm2/multicluster-operators-subscription-rhel9:1787242108, rhacm2/multicluster-operators-subscription-rhel9:1787263693, rhacm2/multicluster-operators-subscription-rhel9:1787242321, rhacm2/multicluster-operators-subscription-rhel9:1787240030. Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.13; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Advanced Cluster Management for Kubernetes 2.17.
High [CVE-2026-43678] Denial of Service via specially crafted WebSocket frame
Denial of Service via specially crafted WebSocket frame. Red Hat rates this important (CVSS 7.5). Weakness: CWE-770.
High [CVE-2026-53587] Denial of Service due to heap out-of-bounds read from malicious Git server
Denial of Service due to heap out-of-bounds read from malicious Git server. Red Hat rates this important (CVSS 7.5). Weakness: CWE-125. Red Hat lists fixing advisory RHSA-2026:59361 with package libgit2-main-1.9.7-1.hum1. Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 3 more. Affected products named by the advisory: Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat package: rust; Red Hat package: libgit2.
High [CVE-2026-66787] cross-cluster DNS spoofing via unvalidated EndpointSlice and ServiceImport IPs
cross-cluster DNS spoofing via unvalidated EndpointSlice and ServiceImport IPs. Red Hat rates this important (CVSS 8.7). Weakness: CWE-345. Affected product named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.
High [CVE-2026-63387] Off-by-one stack buffer overflow leading to denial of service or data corruption
Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an off-by-one stack buffer overflow in evdns.c when dnsname_to_labels formats a name-bearing DNS record at the end of the 64 KB stack buffer allocated by evdns_server_request_format_response. The final-label check permits j plus label_len plus one to equal buf_len, after which the terminating null byte is written to buf[buf_len]. A crafted DNS server response containing PTR, CNAME, MX, NS, or SOA data can trigger the one-byte out-of-bounds write and crash or corrupt the process. A remote attacker could send a specially crafted DNS server response, which may lead to a crash or corruption of the process, resulting in a denial of service or potential information disclosure and integrity impact. Red Hat severity: Important — CVSS 8.6 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H). Weakness: CWE-787. Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Hardened Images; Red Hat OpenShift Container Platform 4. Red Hat does not currently list a fixing RHSA for this CVE. Affected products named by the advisory: Red Hat package: libevent2.
High [CVE-2026-63384] Denial of Service via integer conversion error in `evtag_unmarshal_header`
Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has an incorrect integer conversion in event_tagging.c when evtag_unmarshal_header uses evtag_decode_int to decode an attacker-controlled uint32 payload length and returns it as a signed int. Values above INT_MAX become negative or truncated, and evtag_unmarshal_string can use the converted value in allocation sizing, producing a wrapped large allocation request and denial of service. A flaw was found in Libevent. An incorrect integer conversion in the `evtag_unmarshal_header` function allows a remote attacker to provide a specially crafted payload length. This can lead to a wrapped large allocation request, resulting in a denial of service (DoS) for the affected system. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-190. Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. Red Hat fixing advisory: RHSA-2026:60853. Affected products named by the advisory: Red Hat package: libevent2.
High [CVE-2026-63495] Remote denial of service via unbounded memory accumulation in WebSocket server
Libevent is an event notification library. From 2.2.0-alpha-dev until 2.2.2-alpha, the libevent WebSocket server in ws.c accumulates fragmented frames in evws->incomplete_frames without enforcing a total message-size limit. An unauthenticated remote client can repeatedly send fragmented WebSocket frames below WS_MAX_RECV_FRAME_SZ with FIN=0, causing the evbuffer to grow without bound until the process or host exhausts memory. This issue is fixed in version 2.2.2-alpha. A flaw was found in Libevent. Due to a lack of a total message-size limit, these fragmented frames accumulate in memory without bound, leading to memory exhaustion and a denial of service (DoS) for the process or host. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-770. Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. Red Hat fixing advisory: RHSA-2026:41176. Affected products named by the advisory: Red Hat package: libevent2.
High [CVE-2026-63383] Denial of Service via malformed RPC data
Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent can read beyond a contiguous evbuffer region in event_tagging.c when decode_tag_internal requests at most five bytes from evbuffer_pullup but iterates using the full logical buffer length. A fragmented evbuffer containing a six-byte malformed tag can therefore advance past the pullup window and trigger an out-of-bounds read, which can crash a process that decodes attacker-controlled tagged RPC data. A remote attacker could exploit an out-of-bounds read vulnerability in the `decode_tag_internal()` function by sending specially crafted, attacker-controlled tagged RPC (Remote Procedure Call) data. This could lead to a denial of service, causing the process that decodes the data to crash. Red Hat severity: Important — CVSS 7.5 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-125. Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4. Red Hat fixing advisory: RHSA-2026:60853. Affected products named by the advisory: Red Hat package: libevent2.
High [CVE-2026-63388] Arbitrary code execution via heap out-of-bounds write in AF_UNIX handling
Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent has a heap out-of-bounds write in bufferevent_sock.c when bufferevent_socket_set_conn_address_ copies a kernel-supplied AF_UNIX peer address into bufferevent_private.conn_address. Release builds compiled with NDEBUG disable the EVUTIL_ASSERT length guard, and the evhttp accept path can pass a 110-byte sockaddr from accept() into the 28-byte field. An unauthenticated local peer able to connect to an AF_UNIX listener can overwrite the adjacent dns_request pointer and heap data, causing memory corruption with confidentiality, integrity, and availability impact. A flaw was found in Libevent. A heap out-of-bounds write vulnerability in the `bufferevent_socket_set_conn_address_` function allows an unauthenticated local peer to achieve arbitrary code execution. By connecting to an AF_UNIX listener, an attacker can overwrite critical heap data, leading to memory corruption and potentially full control over the affected system. Red Hat severity: Important — CVSS 8.4 (CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). Weakness: CWE-787. Affected Red Hat products: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4.
High [CVE-2026-54770] Open redirect vulnerability leading to phishing and token theft
WebOb provides objects for HTTP requests and responses. Prior to 1.8.11, Response._make_location_absolute() in src/webob/response.py checks a Location value for a URI scheme or leading double slash before urllib.parse.urljoin() strips leading C0 control characters and spaces. An attacker-controlled value such as a space followed by a protocol-relative or absolute URL can therefore bypass SCHEME_RE and startswith("//") checks and be normalized to an off-host redirect. Request.relative_url() and webob.exc._HTTPMove subclasses, including HTTPFound, are also affected because they use the same unsafe URL joining behavior or bypass the earlier normalization path. An unauthenticated attacker who can influence an application's redirect target can send users to an attacker-controlled host for phishing or OAuth and SSO token theft, but exploitation requires the user to follow the redirect. This issue is fixed in version 1.8.11. This vulnerability allows an unauthenticated attacker to bypass URL validation checks by injecting leading control characters or spaces into a redirect target. This can lead to an open redirect, enabling attackers to send users to malicious websites for phishing or to steal OAuth and Single Sign-On (SSO) tokens. Red Hat severity: Important — CVSS 7.4 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N). Weakness: CWE-601.
High [CVE-2026-15679] Hugging Face PyTorch Image Models: Remote Code Execution via Deserialization of Untrusted Data
Hugging Face PyTorch Image Models checkpoint Deserialization of Untrusted Data Remote Code Execution Vulnerability. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of checkpoints. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-27987. Red Hat severity: Important — CVSS 8.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H). Weakness: CWE-502. Affected Red Hat products: Red Hat AI Inference Server; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat OpenShift AI (RHOAI). Red Hat does not currently list a fixing RHSA for this CVE.
High [CVE-2026-18309] Remote Code Execution via APNG file parsing integer overflow
Remote Code Execution via APNG file parsing integer overflow. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat package: gimp.
High [CVE-2026-18308] Remote Code Execution via TIF File Parsing Integer Overflow
Remote Code Execution via TIF File Parsing Integer Overflow. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 9; Red Hat package: gimp.
High [CVE-2026-18307] Remote code execution via TIF file parsing heap-based buffer overflow
Remote code execution via TIF file parsing heap-based buffer overflow. Red Hat rates this important (CVSS 7.8). Weakness: CWE-131. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: gimp.
High [CVE-2026-18306] Remote Code Execution via SGI File Parsing Integer Overflow
Remote Code Execution via SGI File Parsing Integer Overflow. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: gimp.
High [CVE-2026-18305] Remote Code Execution via TIF file parsing integer overflow
Remote Code Execution via TIF file parsing integer overflow. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: gimp.
High [CVE-2026-18304] Arbitrary code execution via crafted TIF file parsing
Arbitrary code execution via crafted TIF file parsing. Red Hat rates this important (CVSS 7.8). Weakness: CWE-190. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 1 more. Affected products named by the advisory: Red Hat package: gimp.