libgit2: libgit2: Denial of Service via Unbounded Memory Allocation

A flaw was found in libgit2. The gitdeltaapply function incorrectly trusts an attacker-controlled size value from a delta object header, which is used for memory allocation before proper validation of delta instructions. A remote attacker or local user can supply malicious pack data, for example,...

OPENSUSE-SU-2026:21640-1 Security update for rmt-server

This update for rmt-server fixes the following issues: Update to version 3.1 bsc1274715. Security issues fixed: - CVE-2026-26961: rack: greedy multipart boundary parsing can lead to parser differentials and WAF bypass bsc1261398. - CVE-2026-26962: rack: improper unfolding of folded multipart...

SUSE-SU-2026:23321-1 Security update for rmt-server

This update for rmt-server fixes the following issues: Update to version 3.1 bsc1274715. Security issues fixed: - CVE-2026-26961: rack: greedy multipart boundary parsing can lead to parser differentials and WAF bypass bsc1261398. - CVE-2026-26962: rack: improper unfolding of folded multipart...

Improper Input Validation

Overview vrana/adminer is a Database management in a single file. Affected versions of this package are vulnerable to Improper Input Validation via the X-Forwarded-Prefix header. An attacker can manipulate redirect destinations, control the session cookie path attribute, and poison self-referenti...

Origin Validation Error

Overview getgrav/grav is a Modern, Crazy Fast, Ridiculously Easy and Amazingly Powerful Flat-File CMS. Affected versions of this package are vulnerable to Origin Validation Error in the referrer process. An attacker can gain unauthorized access or perform actions as a trusted origin by supplying ...

Duplicate Advisory: Grav: Origin validation bypass in Uri::referrer() and Pages::referrerRoute() via unanchored prefix match

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9ccq-2jfg-qw33. This link is maintained to preserve external references. Original Description Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods,...

CVE-2026-72702

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-56709

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

UBUNTU-CVE-2026-34959

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-34959

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-72702 Grav CMS before 2.0.16 Origin Validation Bypass via Referer

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-72702

Grav CMS versions before 2.0.16 contain an origin validation bypass in the Uri::referrer() and Pages::referrerRoute() methods. The root cause is an unanchored string prefix match (str_starts_with($referrer, $base)) with no trailing delimiter, meaning an attacker who controls a domain that begins ...

CVE-2026-72702 Grav CMS before 2.0.16 Origin Validation Bypass via Referer

Grav CMS before 2.0.16 contains an origin validation bypass in the Uri::referrer and Pages::referrerRoute methods, which validate the Referer header using an unanchored string prefix match strstartswith$referrer, $base with no trailing delimiter. An attacker who controls a domain that begins with...

CVE-2026-56709 Grav before 3.9.2 Host Header Injection via sendInvitationEmail

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

CVE-2026-56709

Grav before 3.9.2 is vulnerable to a Host header injection in the sendInvitationEmail() function. When constructing token-bearing invitation links, the unvalidated Host header allows an attacker to poison the link and redirect users to an attacker-controlled domain . This bypasses the require_tru...

CVE-2026-56709 Grav before 3.9.2 Host Header Injection via sendInvitationEmail

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

EUVD-2026-65207

Grav before 3.9.2 fails to validate untrusted Host headers in the sendInvitationEmail function when constructing token-bearing invitation links. Attackers can manipulate the Host header to poison invitation links and redirect users to attacker-controlled domains, bypassing the requiretrustedhost...

CVE-2026-34959

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $_SERVER["REQUEST_URI"] without a trusted-proxy check or validation of the prefix value. An attacker can inject an absolute URL (e.g., https://evil.example) that propagates into Location redirect headers, the Set...

EUVD-2026-65196

Adminer 4.6.0 before 5.5.0 prepends the client-supplied X-Forwarded-Prefix header to $SERVER"REQUESTURI" with no trusted-proxy check and no validation of the prefix value. An attacker can supply an absolute URL e.g. X-Forwarded-Prefix: https://evil.example that flows into Location redirect header...

CVE-2026-16434 Adminer before 5.5.1 X-Forwarded-Prefix Backslash Bypass

Adminer 4.6.0 through 5.5.0 fixed in 5.5.1 contains an incomplete fix for a prior X-Forwarded-Prefix vulnerability GHSA-8478-xrj3-h9c2. The validation guard bootstrap.inc.php only rejects prefixes matching ^/^/, blocking //evil.com but allowing values such as /\evil.com whose second character is ...