Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
19 results
Sep 22, 2026A local cross-user code execution vulnerability exists in GNU wget (Windows builds from eternallybored.org) due to a hardcoded configuration file path (C:\msys6CVE-2026-94574 · Other software · GNU Wget (Windows Builds) · reported by cret@cert.orgHigh 7.8
A local cross-user code execution vulnerability exists in GNU wget (Windows builds from eternallybored.org) due to a hardcoded configuration file path (C:\msys64) that is writable by unprivileged users, allowing for arbitrary code execution via the use_askpass directive, potentially allowing local privilege escalation.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordatos.neteternallybored.org
Aug 25, 2026GNU wget is vulnerable to denial of service in its FTP OPIE/S-KEY authentication functionality.CVE-2026-16599 · Other software · GNU · reported by cvd@cert.plMedium 5.1
GNU wget is vulnerable to denial of service in its FTP OPIE/S-KEY authentication functionality. The server-supplied sequence number from the FTP challenge line is used as an iteration count for an MD5 key-derivation loop without any upper bound validation. A malicious FTP server or a network attacker positioned to intercept FTP traffic can send a crafted OPIE challenge with a sequence number near INT_MAX, causing wget to perform up to approximately 2.1 billion MD5 computations and suspend for some time. The --timeout option does not mitigate this because it applies only to network I/O, not CPU computation. This issue was fixed in commit e9697d98e7249b0f68a6be040a4f3dcc5bc101fa
- Product
- wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jul 10, 2026GNU Wget does not validate the IP address provided by an FTP PASV response while operating in FTP passive mode.CVE-2026-15146 · Other software · GNU wget · reported by cret@cert.orgMedium 5.9
GNU Wget does not validate the IP address provided by an FTP PASV response while operating in FTP passive mode. A malicious FTP server, or an HTTP server that redirects to an FTP URL, can exploit this behavior to redirect Wget’s data connection to an arbitrary IP address and port. This allows an attacker to forge server-side requests (SSRF) from the machine running Wget, potentially accessing localhost services or internal network resources.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordcgit.git.savannah.gnu.orgkb.cert.org
Jul 7, 2026GNU Wget through 1.25.0, fixed in commit dd692d9, contains a heap buffer overflow vulnerability in the html_quote_string() function in src/convert.c that allowsCVE-2026-58472 · Other software · gnuwget · reported by VulnCheckMedium 6
GNU Wget through 1.25.0, fixed in commit dd692d9, contains a heap buffer overflow vulnerability in the html_quote_string() function in src/convert.c that allows a remote attacker to trigger memory corruption by supplying a crafted HTML attribute with a large number of characters requiring entity encoding. A server-supplied HTML attribute causes a signed integer counter to overflow during output size accumulation, resulting in an undersized heap allocation and subsequent heap buffer overflow during the copy phase.
- Product
- wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgitlab.comvulncheck.com
Jul 7, 2026GNU Wget through 1.25.0, fixed in commit c2640fe, contains a heap buffer overflow vulnerability in the convert_fname() function within src/url.c that allows remCVE-2026-58471 · Other software · gnuwget · reported by VulnCheckMedium 6
GNU Wget through 1.25.0, fixed in commit c2640fe, contains a heap buffer overflow vulnerability in the convert_fname() function within src/url.c that allows remote attackers to trigger memory corruption through a server-supplied filename requiring character set conversion. When the output buffer is too small during iconv E2BIG reallocation, the reallocation logic miscalculates the remaining space, leading to a heap buffer overflow that can be exploited via a maliciously crafted server response.
- Product
- wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgitlab.comvulncheck.com
Jul 7, 2026GNU Wget through 1.25.0, fixed in commit 43d3ba9, contains an integer overflow vulnerability in the parse_content_range() function within src/http.c that allowsCVE-2026-58470 · Other software · gnuwget · reported by VulnCheckMedium 6.9
GNU Wget through 1.25.0, fixed in commit 43d3ba9, contains an integer overflow vulnerability in the parse_content_range() function within src/http.c that allows server-controlled values to cause signed integer arithmetic to overflow. Attackers can supply malicious Content-Range header values to trigger undefined behavior and download desynchronization in the affected client.
- Product
- wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgitlab.comvulncheck.com
Jul 7, 2026GNU Wget through 1.25.0, fixed in commit 37a40fc, contains a heap buffer underread vulnerability in the clean_metalink_string() function within src/metalink.c tCVE-2026-58469 · Other software · gnuwget · reported by VulnCheckHigh 8.7
GNU Wget through 1.25.0, fixed in commit 37a40fc, contains a heap buffer underread vulnerability in the clean_metalink_string() function within src/metalink.c that allows a malicious server to trigger memory corruption by serving a Metalink document containing a whitespace-only URL. Attackers can cause the function to decrement a pointer past the start of the buffer when processing an all-whitespace Metalink URL, potentially leading to abnormal program behavior.
- Product
- wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgitlab.comvulncheck.com
Jan 9, 2026A flaw was found in GNU Wget2.CVE-2025-69195 · Other software · GNU · reported by patrick@puiterwijk.orgHigh 7.6
A flaw was found in GNU Wget2. This vulnerability, a stack-based buffer overflow, occurs in the filename sanitization logic when processing attacker-controlled URL paths, particularly when filename restriction options are active. A remote attacker can exploit this by providing a specially crafted URL, which, upon user interaction with wget2, can lead to memory corruption. This can cause the application to crash and potentially allow for further malicious activities.
- Product
- Wget2
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordaccess.redhat.combugzilla.redhat.com
Jan 9, 2026A security issue was discovered in GNU Wget2 when handling Metalink documents.CVE-2025-69194 · Other software · GNU · reported by patrick@puiterwijk.orgHigh 8.8
A security issue was discovered in GNU Wget2 when handling Metalink documents. The application fails to properly validate file paths provided in Metalink <file name> elements. An attacker can abuse this behavior to write files to unintended locations on the system. This can lead to data loss or potentially allow further compromise of the user’s environment.
- Product
- Wget2
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordaccess.redhat.combugzilla.redhat.com
Jun 15, 2024url.c in GNU Wget through 1.24.5 mishandles semicolons in the userinfo subcomponent of a URI, and thus there may be insecure behavior in which data that was supCVE-2024-38428 · Other software · gnu · reported by MITRECritical 9.1
url.c in GNU Wget through 1.24.5 mishandles semicolons in the userinfo subcomponent of a URI, and thus there may be insecure behavior in which data that was supposed to be in the userinfo subcomponent is misinterpreted to be part of the host subcomponent.
- Product
- wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.savannah.gnu.orglists.gnu.org
Apr 29, 2021GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.CVE-2021-31879 · Other software · GNU · reported by MITREMedium 6.1
GNU Wget through 1.21.1 does not omit the Authorization header upon a redirect to a different origin, a related issue to CVE-2018-1000007.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordmail.gnu.orgsecurity.netapp.com
May 17, 2019Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectoCVE-2019-5953 · Other software · The GNU Projec · reported by vultures@jpcert.or.jpCritical 9.8
Buffer overflow in GNU Wget 1.20.1 and earlier allows remote attackers to cause a denial-of-service (DoS) or may execute an arbitrary code via unspecified vectors.
- Product
- GNU Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordjvn.jpaccess.redhat.com
Dec 26, 2018set_file_metadata in xattr.c in GNU Wget before 1.20.1 stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of thCVE-2018-20483 · Other software · GNU · reported by MITREHigh 7.8
set_file_metadata in xattr.c in GNU Wget before 1.20.1 stores a file's origin URL in the user.xdg.origin.url metadata attribute of the extended attributes of the downloaded file, which allows local users to obtain sensitive information (e.g., credentials contained in the URL) by reading this attribute, as demonstrated by getfattr. This also applies to Referer information in the user.xdg.referrer.url metadata attribute. According to 2016-07-22 in the Wget ChangeLog, user.xdg.origin.url was partially based on the behavior of fwrite_xattr in tool_xattr.c in curl.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.savannah.gnu.orgsecurityfocus.com
May 6, 2018GNU Wget before 1.19.5 is prone to a cookie injection vulnerability in the resp_new function in http.c via a \r\n sequence in a continuation line.CVE-2018-0494 · Other software · GNU · reported by security@debian.orgMedium 6.5
GNU Wget before 1.19.5 is prone to a cookie injection vulnerability in the resp_new function in http.c via a \r\n sequence in a continuation line.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordsecurityfocus.comsecuritytracker.com
Jun 30, 2016GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.CVE-2016-4971 · Other software · GNU · reported by Red HatHigh 8.8
GNU wget before 1.18 allows remote servers to write to arbitrary files by redirecting a request from HTTP to a crafted FTP resource.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordgit.savannah.gnu.orglists.gnu.org
Oct 29, 2014Absolute path traversal vulnerability in GNU Wget before 1.16, when recursion is enabled, allows remote FTP servers to write to arbitrary files, and consequentlCVE-2014-4877 · Other software · GNU · reported by cret@cert.orgHigh 9.3
Absolute path traversal vulnerability in GNU Wget before 1.16, when recursion is enabled, allows remote FTP servers to write to arbitrary files, and consequently execute arbitrary code, via a LIST response that references the same filename within two entries, one of which indicates that the filename is for a symlink.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordadvisories.mageia.orggit.savannah.gnu.org
Jul 6, 2010GNU Wget 1.12 and earlier uses a server-provided filename instead of the original URL to determine the destination filename of a download, which allows remote sCVE-2010-2252 · Other software · GNU · reported by MITREMedium 6.8
GNU Wget 1.12 and earlier uses a server-provided filename instead of the original URL to determine the destination filename of a download, which allows remote servers to create or overwrite arbitrary files via a 3xx redirect to a URL with a .wgetrc filename followed by a 3xx redirect to a URL with a crafted filename, and possibly execute arbitrary code as a consequence of writing to a dotfile in a home directory.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordlists.gnu.orglists.gnu.org
Sep 30, 2009GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middleCVE-2009-3490 · Other software · GNU · reported by MITREMedium 6.8
GNU Wget before 1.12 does not properly handle a '\0' character in a domain name in the Common Name field of an X.509 certificate, which allows man-in-the-middle remote attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordaddictivecode.orghg.addictivecode.org
Dec 23, 2006The ftp_syst function in ftp-basic.c in Free Software Foundation (FSF) GNU wget 1.10.2 allows remote attackers to cause a denial of service (application crash) CVE-2006-6719 · Other software · GNU · reported by MITREMedium 5
The ftp_syst function in ftp-basic.c in Free Software Foundation (FSF) GNU wget 1.10.2 allows remote attackers to cause a denial of service (application crash) via a malicious FTP server with a large number of blank 220 responses to the SYST command.
- Product
- Wget
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordmandriva.comsecurityfocus.com
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
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