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11 vulnerabilities by isaacs
CVE-2026-27904 (GCVE-0-2026-27904)
Vulnerability from cvelistv5 – Published: 2026-02-26 01:07 – Updated: 2026-02-26 01:07
VLAI?
Title
minimatch ReDoS: nested *() extglobs generate catastrophically backtracking regular expressions
Summary
minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4, nested `*()` extglobs produce regexps with nested unbounded quantifiers (e.g. `(?:(?:a|b)*)*`), which exhibit catastrophic backtracking in V8. With a 12-byte pattern `*(*(*(a|b)))` and an 18-byte non-matching input, `minimatch()` stalls for over 7 seconds. Adding a single nesting level or a few input characters pushes this to minutes. This is the most severe finding: it is triggered by the default `minimatch()` API with no special options, and the minimum viable pattern is only 12 bytes. The same issue affects `+()` extglobs equally. Versions 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4 fix the issue.
Severity ?
7.5 (High)
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
{
"containers": {
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"affected": [
{
"product": "minimatch",
"vendor": "isaacs",
"versions": [
{
"status": "affected",
"version": "\u003e= 10.0.0, \u003c 10.2.3"
},
{
"status": "affected",
"version": "\u003e= 9.0.0, \u003c 9.0.7"
},
{
"status": "affected",
"version": "\u003e= 8.0.0, \u003c 8.0.6"
},
{
"status": "affected",
"version": "\u003e= 7.0.0, \u003c 7.4.8"
},
{
"status": "affected",
"version": "\u003e= 6.0.0, \u003c 6.2.2"
},
{
"status": "affected",
"version": "\u003e= 5.0.0, \u003c 5.1.8"
},
{
"status": "affected",
"version": "\u003e= 4.0.0, \u003c 4.2.5"
},
{
"status": "affected",
"version": "\u003c 3.1.4"
}
]
}
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}
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CVE-2026-27903 (GCVE-0-2026-27903)
Vulnerability from cvelistv5 – Published: 2026-02-26 01:06 – Updated: 2026-02-26 01:06
VLAI?
Title
minimatch has a ReDoS: matchOne() combinatorial backtracking via multiple non-adjacent GLOBSTAR segments
Summary
minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3, `matchOne()` performs unbounded recursive backtracking when a glob pattern contains multiple non-adjacent `**` (GLOBSTAR) segments and the input path does not match. The time complexity is O(C(n, k)) -- binomial -- where `n` is the number of path segments and `k` is the number of globstars. With k=11 and n=30, a call to the default `minimatch()` API stalls for roughly 5 seconds. With k=13, it exceeds 15 seconds. No memoization or call budget exists to bound this behavior. Any application where an attacker can influence the glob pattern passed to `minimatch()` is vulnerable. The realistic attack surface includes build tools and task runners that accept user-supplied glob arguments (ESLint, Webpack, Rollup config), multi-tenant systems where one tenant configures glob-based rules that run in a shared process, admin or developer interfaces that accept ignore-rule or filter configuration as globs, and CI/CD pipelines that evaluate user-submitted config files containing glob patterns. An attacker who can place a crafted pattern into any of these paths can stall the Node.js event loop for tens of seconds per invocation. The pattern is 56 bytes for a 5-second stall and does not require authentication in contexts where pattern input is part of the feature. Versions 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.3 fix the issue.
Severity ?
7.5 (High)
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
{
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},
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},
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},
{
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},
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}
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}
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CVE-2026-26996 (GCVE-0-2026-26996)
Vulnerability from cvelistv5 – Published: 2026-02-20 03:05 – Updated: 2026-02-20 15:34
VLAI?
Title
minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern
Summary
minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Versions 10.2.0 and below are vulnerable to Regular Expression Denial of Service (ReDoS) when a glob pattern contains many consecutive * wildcards followed by a literal character that doesn't appear in the test string. Each * compiles to a separate [^/]*? regex group, and when the match fails, V8's regex engine backtracks exponentially across all possible splits. The time complexity is O(4^N) where N is the number of * characters. With N=15, a single minimatch() call takes ~2 seconds. With N=34, it hangs effectively forever. Any application that passes user-controlled strings to minimatch() as the pattern argument is vulnerable to DoS. This issue has been fixed in version 10.2.1.
Severity ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
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CVE-2026-26960 (GCVE-0-2026-26960)
Vulnerability from cvelistv5 – Published: 2026-02-20 01:07 – Updated: 2026-02-20 15:35
VLAI?
Title
node-tar has Arbitrary File Read/Write via Hardlink Target Escape Through Symlink Chain in Extraction
Summary
node-tar is a full-featured Tar for Node.js. When using default options in versions 7.5.7 and below, an attacker-controlled archive can create a hardlink inside the extraction directory that points to a file outside the extraction root, enabling arbitrary file read and write as the extracting user. Severity is high because the primitive bypasses path protections and turns archive extraction into a direct filesystem access primitive. This issue has been fixed in version 7.5.8.
Severity ?
7.1 (High)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
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CVE-2026-25547 (GCVE-0-2026-25547)
Vulnerability from cvelistv5 – Published: 2026-02-04 21:51 – Updated: 2026-02-05 14:31
VLAI?
Title
Uncontrolled Resource Consumption in @isaacs/brace-expansion
Summary
@isaacs/brace-expansion is a hybrid CJS/ESM TypeScript fork of brace-expansion. Prior to version 5.0.1, @isaacs/brace-expansion is vulnerable to a denial of service (DoS) issue caused by unbounded brace range expansion. When an attacker provides a pattern containing repeated numeric brace ranges, the library attempts to eagerly generate every possible combination synchronously. Because the expansion grows exponentially, even a small input can consume excessive CPU and memory and may crash the Node.js process. This issue has been patched in version 5.0.1.
Severity ?
CWE
- CWE-1333 - Inefficient Regular Expression Complexity
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| isaacs | brace-expansion |
Affected:
< 5.0.1
|
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CVE-2026-24842 (GCVE-0-2026-24842)
Vulnerability from cvelistv5 – Published: 2026-01-28 00:20 – Updated: 2026-01-28 14:56
VLAI?
Title
node-tar Vulnerable to Arbitrary File Creation/Overwrite via Hardlink Path Traversal
Summary
node-tar,a Tar for Node.js, contains a vulnerability in versions prior to 7.5.7 where the security check for hardlink entries uses different path resolution semantics than the actual hardlink creation logic. This mismatch allows an attacker to craft a malicious TAR archive that bypasses path traversal protections and creates hardlinks to arbitrary files outside the extraction directory. Version 7.5.7 contains a fix for the issue.
Severity ?
8.2 (High)
CWE
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CVE-2026-23950 (GCVE-0-2026-23950)
Vulnerability from cvelistv5 – Published: 2026-01-20 00:40 – Updated: 2026-01-21 20:15
VLAI?
Title
node-tar has Race Condition in Path Reservations via Unicode Ligature Collisions on macOS APFS
Summary
node-tar,a Tar for Node.js, has a race condition vulnerability in versions up to and including 7.5.3. This is due to an incomplete handling of Unicode path collisions in the `path-reservations` system. On case-insensitive or normalization-insensitive filesystems (such as macOS APFS, In which it has been tested), the library fails to lock colliding paths (e.g., `ß` and `ss`), allowing them to be processed in parallel. This bypasses the library's internal concurrency safeguards and permits Symlink Poisoning attacks via race conditions. The library uses a `PathReservations` system to ensure that metadata checks and file operations for the same path are serialized. This prevents race conditions where one entry might clobber another concurrently. This is a Race Condition which enables Arbitrary File Overwrite. This vulnerability affects users and systems using node-tar on macOS (APFS/HFS+). Because of using `NFD` Unicode normalization (in which `ß` and `ss` are different), conflicting paths do not have their order properly preserved under filesystems that ignore Unicode normalization (e.g., APFS (in which `ß` causes an inode collision with `ss`)). This enables an attacker to circumvent internal parallelization locks (`PathReservations`) using conflicting filenames within a malicious tar archive. The patch in version 7.5.4 updates `path-reservations.js` to use a normalization form that matches the target filesystem's behavior (e.g., `NFKD`), followed by first `toLocaleLowerCase('en')` and then `toLocaleUpperCase('en')`. As a workaround, users who cannot upgrade promptly, and who are programmatically using `node-tar` to extract arbitrary tarball data should filter out all `SymbolicLink` entries (as npm does) to defend against arbitrary file writes via this file system entry name collision issue.
Severity ?
8.8 (High)
CWE
Assigner
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CVE-2026-23745 (GCVE-0-2026-23745)
Vulnerability from cvelistv5 – Published: 2026-01-16 22:00 – Updated: 2026-01-20 14:53
VLAI?
Title
node-tar Vulnerable to Arbitrary File Overwrite and Symlink Poisoning via Insufficient Path Sanitization
Summary
node-tar is a Tar for Node.js. The node-tar library (<= 7.5.2) fails to sanitize the linkpath of Link (hardlink) and SymbolicLink entries when preservePaths is false (the default secure behavior). This allows malicious archives to bypass the extraction root restriction, leading to Arbitrary File Overwrite via hardlinks and Symlink Poisoning via absolute symlink targets. This vulnerability is fixed in 7.5.3.
Severity ?
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
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CVE-2025-64756 (GCVE-0-2025-64756)
Vulnerability from cvelistv5 – Published: 2025-11-17 17:29 – Updated: 2025-11-19 02:30
VLAI?
Title
glob CLI: Command injection via -c/--cmd executes matches with shell:true
Summary
Glob matches files using patterns the shell uses. Starting in version 10.2.0 and prior to versions 10.5.0 and 11.1.0, the glob CLI contains a command injection vulnerability in its -c/--cmd option that allows arbitrary command execution when processing files with malicious names. When glob -c <command> <patterns> are used, matched filenames are passed to a shell with shell: true, enabling shell metacharacters in filenames to trigger command injection and achieve arbitrary code execution under the user or CI account privileges. This issue has been patched in versions 10.5.0 and 11.1.0.
Severity ?
7.5 (High)
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||
Impacted products
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CVE-2025-64118 (GCVE-0-2025-64118)
Vulnerability from cvelistv5 – Published: 2025-10-30 17:50 – Updated: 2025-10-30 18:42
VLAI?
Title
node-tar vulnerable to race condition leading to uninitialized memory exposure
Summary
node-tar is a Tar for Node.js. In 7.5.1, using .t (aka .list) with { sync: true } to read tar entry contents returns uninitialized memory contents if tar file was changed on disk to a smaller size while being read. This vulnerability is fixed in 7.5.2.
Severity ?
CWE
Assigner
References
| URL | Tags | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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CVE-2024-28863 (GCVE-0-2024-28863)
Vulnerability from cvelistv5 – Published: 2024-03-21 22:10 – Updated: 2025-02-13 17:47
VLAI?
Title
node-tar vulnerable to denial of service while parsing a tar file due to lack of folders count validation
Summary
node-tar is a Tar for Node.js. node-tar prior to version 6.2.1 has no limit on the number of sub-folders created in the folder creation process. An attacker who generates a large number of sub-folders can consume memory on the system running node-tar and even crash the Node.js client within few seconds of running it using a path with too many sub-folders inside. Version 6.2.1 fixes this issue by preventing extraction in excessively deep sub-folders.
Severity ?
6.5 (Medium)
CWE
Assigner
References
| URL | Tags | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
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