CVE-2026-5140

HIGHNVD 8.88.8—

8.8

Improper neutralization of CRLF sequences ('CRLF injection') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Update allows Authentication Bypass.

This issue affects Pardus Update: from 0.6.3 before 0.6.4.

CVSS v3: 8.8
EG Score: 8.8(high)
EPSS: 16.1%
KEV: Not listed

Published

April 29, 2026

Last Modified

May 4, 2026

Advisory Details (1)

Auto-updated Apr 29, 2026

No patch confirmed yet.

generic

Ulusal Siber Olaylara Müdahale Merkezi - USOM

https://www.usom.gov.tr/bildirim/tr-26-0131

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-93CRLF Injection

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 15:11 UTCEG score recompute
2026-05-20 15:11 UTCGHSA enrichment
2026-05-20 11:22 UTCepss_batch

Frequently asked(5)

What is CVE-2026-5140?

CVE-2026-5140 is a high vulnerability published on April 29, 2026. Improper neutralization of CRLF sequences ('CRLF injection') vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Update allows Authentication Bypass. This issue affects Pardus Update: from 0.6.3 before 0.6.4.

When was CVE-2026-5140 disclosed?

CVE-2026-5140 was first published in the National Vulnerability Database on April 29, 2026, with the most recent update on May 4, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-5140 actively exploited?

CVE-2026-5140 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 16.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-5140?

CVE-2026-5140 has a CVSS v3 base score of 8.8 (NVD).

How do I remediate CVE-2026-5140?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-5140, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2026-5140

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Ulusal Siber Olaylara Müdahale Merkezi - USOM

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2026-5140?

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Advisory Details (1)

Frequently asked(5)

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