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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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40 advisories

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msgpack5: Quadratic parsing in the streaming decoder Moderate
CVE-2026-107297 was published for msgpack5 (npm) Oct 8, 2026
SWIFI-AI Credited to SWIFI-AI
smol-toml: Quadratic-time parse() from parseKey rescanning to end of document on each key line Moderate
GHSA-r4xh-jqrq-34v2 was published for smol-toml (npm) Oct 5, 2026
NotAFlightRisk Credited to NotAFlightRisk
PostCSS: Quadratic complexity in flat selector parsing allows CPU exhaustion Moderate
CVE-2026-104844 was published for postcss-selector-parser (npm) Oct 5, 2026
stream-json: JSONC parser and verifier re-scan the whole accumulated comment on every input chunk Moderate
CVE-2026-104182 was published for stream-json (npm) Oct 5, 2026
NotAFlightRisk Credited to NotAFlightRisk
devalue: Residual sparse-array CPU amplification in uneval Moderate
GHSA-hx4r-w6wj-j8fg was published for devalue (npm) Oct 1, 2026
elliott-with-the-longest-name-on-github Credited to elliott-with-the-longest-name-on-github
Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser) High
CVE-2026-90776 was published for nodemailer (npm) Sep 30, 2026
mmadersbacher Credited to mmadersbacher
brace-expansion: Quadratic-time expansion of the `{a},b}` rewrite causes CPU denial of service Moderate
CVE-2026-102277 was published for brace-expansion (npm) Sep 29, 2026
G-Rath Credited to G-Rath and katzj katzj katzj
Nodemailer: Quadratic backtracking in the addressparser free-text fallback allows remote denial of service High
GHSA-v53p-9fqp-m79j was published for nodemailer (npm) Sep 29, 2026
markdown-it linkify: true has two quadratic paths, so a few hundred KB of markdown blocks the event loop for tens of seconds Moderate
GHSA-253c-mchw-3w2r was published for markdown-it (npm) Sep 29, 2026
NotAFlightRisk Credited to NotAFlightRisk and lissy93 lissy93 lissy93
js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources Moderate
GHSA-r3ph-w7gj-g6xm was published for js-yaml (npm) Sep 29, 2026
elysia has Inefficient Algorithmic Complexity and Interpretation Conflict High
CVE-2026-56669 was published for elysia (npm) Sep 23, 2026
jviide Credited to jviide
Duplicate Advisory: Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser) High
GHSA-vm5r-23w9-m8hx was published for nodemailer (npm) Sep 13, 2026 • withdrawn
Nodemailer: Quadratic (O(n²)) time complexity in addressparser allows remote denial of service via a crafted address list High
GHSA-2x7j-588g-ccc2 was published for nodemailer (npm) Sep 8, 2026
e1abrador Credited to e1abrador
js-yaml: maxTotalMergeKeys does not limit CPU use for empty merge sources High
CVE-2026-84375 was published for js-yaml (npm) Sep 8, 2026
xmldom: Quadratic-time attribute deduplication High
CVE-2026-83613 was published for @xmldom/xmldom (npm) Sep 8, 2026
karfau Credited to karfau
xmldom: Quadratic-time parsing via the malformed-input recovery path — `parseElementStartPart` re-scan and `normalize()` adjacent-text merge High
CVE-2026-83614 was published for @xmldom/xmldom (npm) Sep 8, 2026
karfau Credited to karfau and Solan23 Solan23 Solan23
stream-json: pick/ignore/filter/replace filters are O(depth²) on nested input — small crafted JSON blocks the event loop for seconds→minutes (DoS) Moderate
CVE-2026-71429 was published for stream-json (npm) Sep 3, 2026
ataberk-xyz Credited to ataberk-xyz
decode-uri-component: Denial of service via exponential decoding of malformed percent-encoded input Moderate
CVE-2026-45822 was published for decode-uri-component (npm) Aug 31, 2026
bnbdr Credited to bnbdr
Hono: Algorithmic Complexity DoS in Language Middleware Moderate
CVE-2026-71848 was published for hono (npm) Aug 7, 2026
JS-YAML: Quadratic CPU consumption in !!omap resolution (3.x and 4.x) — CVE-2026-59870 fix not backported High
GHSA-5p4m-2wfm-xmqj was published for js-yaml (npm) Aug 6, 2026
0xsharz Credited to 0xsharz
Nuxt: Unauthenticated CPU exhaustion parsing and hashing the Nuxt island endpoint body before hash validation High
CVE-2026-71321 was published for nuxt (npm) Aug 5, 2026
dinhvaren Credited to dinhvaren
Shescape: Quadratic-time denial of service in the flag-protection High
CVE-2026-73413 was published for shescape (npm) Jul 24, 2026
oran-s Credited to oran-s and ericcornelissen ericcornelissen ericcornelissen
js-yaml: Exponential parsing time in flow collections leads to denial of service High
CVE-2026-73643 was published for js-yaml (npm) Jul 24, 2026
lissy93 Credited to lissy93
React Router: Unauthenticated Denial of Service via Inefficient Route Matching High
CVE-2026-55685 was published for react-router (npm) Jul 24, 2026
dinhvaren Credited to dinhvaren
Next.js: Denial of Service in the Image Optimization API using SVGs Moderate
CVE-2026-64644 was published for next (npm) Jul 22, 2026
idealinsane Credited to idealinsane
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