CVE-2026-58182

⚠️ high

Summary

The Apache Traffic Server ts_lua plugin mishandles initialization, transform context, and per-instance state. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3. Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.

CVSS Score

8.6

High

EPSS Score

0.3

Exploit Probability

Published Date

2026-07-29

First Seen: 2026-07-31

📊 Relative Risk Intelligence

This CVE is High Risk - more severe than 80.4% of all 340,620 vulnerabilities in our database.

#66,773

Top 25% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jul 29, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Partial

Limited system impact

🏆 Discovered By

Omkhar Arasaratnam (reporter)

SSVC data provided by CISA

Last Modified 2026-07-31

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H

CVSS Vector 4.0

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CWE IDs (Weakness Types)

CWE-400

📦 Affected Products 3

Vendor	Product	Status	Affected Versions
apache	traffic_server	Affected	> 10.0.0 < 10.1.4
apache	traffic_server	Affected	> 8.0.0 < 8.1.9
apache	traffic_server	Affected	> 9.0.0 < 9.2.15

🔗 References 1

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqx...

Mailing List Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-58175	⚠️ high	7.5	0.4	Apache Traffic Server leaks memory when handling HostDB SRV records. This issue affects Apache Traffic Server: from 8.0...	2026-07-29
CVE-2026-58177	⚠️ high	8.1	0.3	The Apache Traffic Server Cripts framework has out-of-bounds writes, path traversal, and use-after-free errors. This is...	2026-07-29
CVE-2026-58178	⚠️ high	7.5	0.4	The Apache Traffic Server ESI plugin can recurse without bound and fetch attacker-controlled URLs. This issue affects A...	2026-07-29
CVE-2026-58179	⚠️ high	8.1	0.4	The Apache Traffic Server regex_remap plugin overflows the stack and integers from substitution input. This issue affec...	2026-07-29
CVE-2026-58180	⚠️ high	7.5	0.4	The Apache Traffic Server txn_box plugin overflows the stack from attacker-controlled input. This issue affects Apache ...	2026-07-29
CVE-2026-58181	⚠️ high	7.5	0.4	The Apache Traffic Server uri_signing and url_sig plugins can exhaust the stack or crash on attacker input. This issue ...	2026-07-29

These CVEs affect the same products