CVE-2026-54738

Lemmy , a fediverse link aggregator and forum, is vulnerable to rate limit bypass via X-Forwarded-For header spoofing in versions prior to 0.19.19 and 1.0.0-beta.1 . The root cause is that actix-web's ConnectionInfo::realip_remote_addr reads the first value of X-Forwarded-For as the client addres...

CVE-2026-54738 Lemmy: Rate limit bypass via X-Forwarded-For header spoofing in actix-web ConnectionInfo

Lemmy is a link aggregator and forum for the fediverse. Prior to 0.19.19 and 1.0.0-beta.1, actix-web ConnectionInfo::realipremoteaddr reads the first value of X-Forwarded-For as the client address used by rawipkey in crates/utils/src/ratelimit/mod.rs. Lemmy's bundled docker/nginx.conf uses...

CVE-2026-55090

Etherpad is a real-time collaborative editor. Prior to 3.3.0, getHTMLFromAtext in src/node/utils/ExportHtml.ts interpolates values from the exportHtmlAdditionalTagsWithData plugin hook into span data attributes without HTML attribute escaping. A pad editor can place an attacker-controlled value...

CVE-2026-55085

Etherpad is a real-time collaborative editor. Prior to 3.3.1, result.appendSpan in src/static/js/domline.ts interpolates the start attribute of a numbered list directly into an unquoted ol start attribute before assigning the generated markup to node.innerHTML. ImportEtherpad.setPadRaw in...

CVE-2026-55085 Etherpad: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in etherpad-lite

Etherpad is a real-time collaborative editor. Prior to 3.3.1, result.appendSpan in src/static/js/domline.ts interpolates the start attribute of a numbered list directly into an unquoted ol start attribute before assigning the generated markup to node.innerHTML. ImportEtherpad.setPadRaw in...

CVE-2026-55085 Etherpad: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in etherpad-lite

Etherpad is a real-time collaborative editor. Prior to 3.3.1, result.appendSpan in src/static/js/domline.ts interpolates the start attribute of a numbered list directly into an unquoted ol start attribute before assigning the generated markup to node.innerHTML. ImportEtherpad.setPadRaw in...

CVE-2026-55085

Etherpad (real-time collaborative editor) is affected by a stored cross-site scripting vulnerability prior to version 3.3.1 . The root cause is in result.appendSpan in src/static/js/domline.ts, which interpolates the start attribute of a numbered list directly into an unquoted ol start attribute ...

EUVD-2026-62740

Etherpad is a real-time collaborative editor. Prior to 3.3.1, result.appendSpan in src/static/js/domline.ts interpolates the start attribute of a numbered list directly into an unquoted ol start attribute before assigning the generated markup to node.innerHTML. ImportEtherpad.setPadRaw in...

CVE-2026-55085 Etherpad: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in etherpad-lite

Etherpad is a real-time collaborative editor. Prior to 3.3.1, result.appendSpan in src/static/js/domline.ts interpolates the start attribute of a numbered list directly into an unquoted ol start attribute before assigning the generated markup to node.innerHTML. ImportEtherpad.setPadRaw in...

CVE-2026-55090 Etherpad: Stored XSS in HTML export via unescaped attribute-pool values

Etherpad is a real-time collaborative editor. Prior to 3.3.0, getHTMLFromAtext in src/node/utils/ExportHtml.ts interpolates values from the exportHtmlAdditionalTagsWithData plugin hook into span data attributes without HTML attribute escaping. A pad editor can place an attacker-controlled value...

CVE-2026-55090 Etherpad: Stored XSS in HTML export via unescaped attribute-pool values

Etherpad is a real-time collaborative editor. Prior to 3.3.0, getHTMLFromAtext in src/node/utils/ExportHtml.ts interpolates values from the exportHtmlAdditionalTagsWithData plugin hook into span data attributes without HTML attribute escaping. A pad editor can place an attacker-controlled value...

EUVD-2026-62734

Etherpad is a real-time collaborative editor. Prior to 3.3.0, getHTMLFromAtext in src/node/utils/ExportHtml.ts interpolates values from the exportHtmlAdditionalTagsWithData plugin hook into span data attributes without HTML attribute escaping. A pad editor can place an attacker-controlled value...

CVE-2026-55090 Etherpad: Stored XSS in HTML export via unescaped attribute-pool values

Etherpad is a real-time collaborative editor. Prior to 3.3.0, getHTMLFromAtext in src/node/utils/ExportHtml.ts interpolates values from the exportHtmlAdditionalTagsWithData plugin hook into span data attributes without HTML attribute escaping. A pad editor can place an attacker-controlled value...

CVE-2026-55090

Etherpad (real-time collaborative editor) versions prior to 3.3.0 are vulnerable to stored cross-site scripting in the HTML export feature. The root cause is in getHTMLFromAtext in src/node/utils/ExportHtml.ts, which interpolates values from the exportHtmlAdditionalTagsWithData plugin hook into s...

USN-8563-4: nginx regression

USN-8563-3 fixed a vulnerability in nginx. The fix introduced a regression in certain environments. This update reverts the fix for CVE-2026-42533 pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that nginx incorrectly handled certain...

USN-8563-4 nginx regression

USN-8563-3 fixed a vulnerability in nginx. The fix introduced a regression in certain environments. This update reverts the fix for CVE-2026-42533 pending further investigation. We apologize for the inconvenience. Original advisory details: It was discovered that nginx incorrectly handled certain...

CVE-2026-74260

A flaw was found in the Linux kernel's netfilter component, specifically within the nfdupnetdev module. This vulnerability arises from an imbalanced decrementation of recursion counters when network packets are transmitted, particularly during a possible migration to a different CPU. This imprope...

CVE-2026-74255

A flaw was found in the Linux kernel's Transparent Inter-Process Communication TIPC module. This use-after-free vulnerability occurs when the tipcdisablel2media function calls synchronizenet before properly invalidating a media pointer. This timing issue allows concurrent readers to access a memo...

Contentful MCP Server: export_space/import_space tools pass LLM-controlled `host`/`proxy` args to CMA client, redirecting server PAT to attacker-controlled endpoint

Summary exportspace and importspace tools in @contentful/mcp-tools accept LLM-controlled host and proxy parameters that are spread directly into the options object passed to contentful-export / contentful-import. These libraries pass the merged options — including the attacker-controlled host — t...

GHSA-2XHG-73J7-RRGX Contentful MCP Server: export_space/import_space tools pass LLM-controlled `host`/`proxy` args to CMA client, redirecting server PAT to attacker-controlled endpoint

Summary exportspace and importspace tools in @contentful/mcp-tools accept LLM-controlled host and proxy parameters that are spread directly into the options object passed to contentful-export / contentful-import. These libraries pass the merged options — including the attacker-controlled host — t...