Is CVE-2026-7734 in the CISA KEV catalog?

No. CVE-2026-7734 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-7734?

CVE-2026-7734 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2026-7734?

CVE-2026-7734 has an EPSS score of 0.46% (37th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7734?

Upgrade gobgp on debian unstable to 4.4.0-1 or later. Fixes are available for 3 affected products.

CVE & CISA-KEV Catalog

CVE-2026-7734

MEDIUM

5.3

CVSS v3

NVD

Description

A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.

CWE-404

How to fix

Remediation Available

gobgpDebian

Fixed in:4.4.0-1CVE-2026-7734

gobgpUbuntu

Fixed in:1.29-1ubuntu0.1+esm2USN-8348-1

Fixed in:2.12.0-1ubuntu0.1~esm3USN-8348-1

Fixed in:2.25.0-3ubuntu0.1+esm4USN-8348-1

Fixed in:3.23.0-1ubuntu0.3+esm4USN-8348-1

gobgpdUbuntu

Fixed in:1.29-1ubuntu0.1+esm2USN-8348-1

Fixed in:2.12.0-1ubuntu0.1~esm3USN-8348-1

Fixed in:2.25.0-3ubuntu0.1+esm4USN-8348-1

Fixed in:3.23.0-1ubuntu0.3+esm4USN-8348-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityLow

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

Exploit Intelligence

0.46%probability of exploitation in 30 days

37thpercentile

Low risk: more likely to be exploited than 37% of all known CVEs.

References

Patch2

Third-Party Advisory2

VDB Entry1

vuldb.com

Product1

github.com

Related Vulnerabilities

Other CWE-404 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-44267	Medium	6.5	77%	-	Fix
CVE-2018-8120	High	7.0	74%	KEV + Ransom	-
CVE-2018-8210	High	7.8	25%	-	-
CVE-2018-8639	High	7.8	22%	KEV + Ransom	-
CVE-2023-3206	Medium	5.3	19%	-	-
CVE-2018-8450	High	8.8	16%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.